内容正文:
人教版八年级英语上册 Unit 3 Same or Different? 学生版
知识进化体系 · 全2讲
同一知识点(形容词/副词比较级),六层认知深度递进
第1讲 比较级的"变形密码"——从词形变化到句式建构
姓名:_______________ 班级:_______________ 日期:_______________
教学时长:120分钟(2课时) | 课型:语法建构课
模块一 课前诊断
1.1 热身激活
判断下列句子是"比较"还是"描述":
1. Tom is tall. → _______________
1. Tom is taller than Jack. → _______________
1. She runs fast. → _______________
1. She runs faster than her brother. → _______________
1. This book is more interesting than that one. → _______________
核心追问: 比较级和原级有什么区别?比较级在什么情况下使用?
请写出你的思考:
1.2 诊断测试
一、写出下列形容词/副词的比较级(每题1分,共10分)
1. tall → _______________
1. happy → _______________
1. big → _______________
1. beautiful → _______________
1. good / well → _______________
1. fast → _______________
1. heavy → _______________
1. thin → _______________
1. bad / badly → _______________
1. many / much → _______________
二、单项选择(每题1分,共5分)
1. Tom is _______ than his brother.
A. tall B. taller C. tallest D. the tallest
1. She is _______ than me.
A. more outgoing B. outgoing C. most outgoing D. the most outgoing
1. He runs _______ than his cousin.
A. fast B. faster C. fastest D. the fastest
1. This book is as _______ as that one.
A. interesting B. more interesting C. most interesting D. the most interesting
1. My English is _______ than before.
A. good B. better C. best D. well
请将你的答案填在下方:
题号
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答案
模块二 课堂精讲
2.1 认知重构导入——"比较"的思维模型
核心问题:比较级到底在表达什么?
比较级不是孤立的"词形变化",而是表达 _______________ 的语法工具。当我们说"A 比 B 更……"时,实际上是在建立一种"_______________"。
比较的基本三要素:
1. 比较的对象——必须有 _______________ 个主体(A 和 B)
1. 比较的维度——_______________、速度、性格、能力等具体方面
1. 比较的结果——谁在某方面 _______________
比较级的核心公式:
A + _______________ / 实义动词 + _______________ + than + B
这个公式的本质含义是:A 在某个维度上 _______________ 了 B。_______________ 是连接比较双方的桥梁。
2.2 比较级的"变形密码"——规则变化
核心问题:什么时候加 -er?什么时候加 more?什么时候双写?什么时候变 y?
2.2.1 规则变化"四法则"
法则
适用条件
变法
示例
法则一
单音节词和部分双音节词
_______________
tall→taller, fast→faster
法则二
以不发音 e 结尾
_______________
nice→nicer, late→later
法则三
辅音字母 + y 结尾
_______________
happy→happier, early→earlier
法则四
重读闭音节单辅音结尾
_______________
big→bigger, thin→thinner
法则四深度解析——什么是"重读闭音节"?
重读闭音节 = 该音节 _______________ + 以"_______________ + _______________"结尾。
判断三步法:
1. 单词有几个音节?——big 是 _______________(自然重读)
1. 结尾是不是"一个元音字母 + 一个辅音字母"?——big 结尾是 ___(元音)+ ___(辅音),符合条件
1. 满足条件 → _______________ 末尾辅音字母 + -er → bigger
常见例外词:
单词
比较级
说明
quiet
_______________ / more quiet
两种形式均可
clever
_______________ / more clever
两种形式均可
narrow
_______________
-ow 结尾常不双写
friendly
_______________ / more friendly
两种形式均可
2.2.2 多音节词和部分双音节词——加 more
规律:三个及以上音节的词,以及部分双音节词(如以 _______________, _______________, _______________ 结尾的词),比较级在原级前加 _______________,不加 -er。
原级
比较级
音节数
规律说明
beautiful
_______________
3
三音节词,加 more
important
_______________
3
三音节词,加 more
outgoing
_______________
3
三音节词,加 more
careful
_______________
2
双音节,-ful 结尾
slowly
_______________
2
双音节,-ly 结尾
boring
_______________
2
双音节,-ing 结尾
判断口诀:
单音节加 _______________,多音节加 _______________,双音节看词尾——-ly、-ful、-ing 加 _______________,其余加 _______________ 也行。
请将口诀抄写一遍加强记忆:
2.2.3 不规则变化——"特别记忆组"
原级
比较级
词性
记忆技巧
good
_______________
形容词
"好"→"更好"
well
_______________
副词
"好地"→"更好地"
bad
_______________
形容词
"坏"→"更坏"
badly
_______________
副词
"坏地"→"更坏"
many
_______________
形容词(可数)
"多"→"更多"
much
_______________
形容词(不可数)
"多"→"更多"
little
_______________
形容词
"少"→"更少"
far
_______________ / _______________
形容词/副词
距离/程度
知识点拓展: farther 与 further 的区别
farther:仅指具体 _______________ 上的"更远"
further:既可指具体距离,也可指 _______________ 程度的"更进一步"
例题1 My sister is _______ than me.
A. thin B. thinner C. thinnest D. the thinnest
你的答案:_______
例题2 This question is _______ than that one.
A. difficult B. more difficult C. most difficult D. the most difficult
你的答案:_______
例题3 写出比较级:
1. early → _______________
1. slowly → _______________
1. badly → _______________
1. hot → _______________
2.3 比较级的"句式建构"——六大核心句型
2.3.1 句型一:A + be + 形容词比较级 + than + B
功能: 比较两者的性质、特征(身高、体重、性格等)
公式: A + _______________ + 形容词比较级 + _______________ + B
例句: My sister is younger than me.
注意: than 后的 B 若与前文名词重复,可用 _______________ 替代。如:My bag is heavier than your bag. = My bag is heavier than _______________.
例题4 His hair is _______ than mine.
A. long B. longer C. longest D. the longest
你的答案:_______
2.3.2 句型二:A + 实义动词 + 副词比较级 + than + B
功能: 比较两者的动作方式、频率、程度
公式: A + _______________ + 副词比较级 + _______________ + B
例句: He runs faster than Tom.
注意: 修饰动词必须用 _______________ 比较级,不能用 _______________。如:She sings _______________ than me.
例题5 She dances _______ than her sister.
A. good B. well C. better D. best
你的答案:_______
2.3.3 句型三:否定比较
功能: 表示"A 不如 B ……"
公式一: A + be + _______________ + 形容词比较级 + than + B
公式二: A + be + _______________ + 形容词原级 + than + B
例句: This movie is not more interesting than that one. = This movie is _______________ interesting than that one.
注意: less 后必须接形容词/副词的 _______________,不能接比较级。
例题6 He is _______ than his brother. His brother is more outgoing.
A. not outgoing B. not more outgoing C. less outgoing D. more outgoing
你的答案:_______
2.3.4 句型四:程度副词 + 比较级
功能: 突出 A 与 B 的差异大小,使比较更加精确
请根据提示在表格中填入正确的程度副词及其含义:
程度副词
含义
例句
much / a lot
_______________
This box is much heavier than that one.
a little / a bit
_______________
It's a little colder today than yesterday.
even
_______________
After exercise, he became even stronger.
far
_______________
This book is far more interesting than that one.
重要提醒: 不能用 _______________, _______________, _______________ 修饰比较级。这些程度副词只能修饰 _______________。
例题7 The weather today is _______ than yesterday. It's 5 degrees lower.
A. much cold B. much colder C. very colder D. so colder
你的答案:_______
2.3.5 句型五:the + 比较级,the + 比较级
功能: 表示",就",表达因果递进关系
公式: _______________ + 比较级 + 主语 + 谓语,_______________ + 比较级 + 主语 + 谓语
例句: _______________ you study, _______________ grades you will get.
注意: 两个 the _______________,且比较级后须接完整的句子成分。
例题8 _______ you practice, _______ you will speak.
A. The more; the better B. The much; the well C. More; better D. The many; the good
你的答案:_______
2.3.6 句型六:as + 原级 + as(同级比较)
功能: 表示"A 和 B 在某方面 _______________"
肯定形式: A + be/动词 + _______________ + 原级 + _______________ + B
否定形式: A + be/动词 + _______________ + as/so + 原级 + as + B
例句: This story is _______________ interesting _______________ that one.
He does not run _______________ fast _______________ his brother.
注意: as...as 中间必须用 _______________,不能用比较级或最高级。
例题9 She is _______ her mother. They both have big eyes.
A. as beautiful as B. more beautiful than C. the most beautiful D. beautiful as
你的答案:_______
例题10 句型转换:
1. Tom is taller than Mike.(改为同级比较)
1. He runs faster than any other boy in his class.(改为最高级)
2.4 as...as 与比较级的"转换逻辑"
核心规律: 比较级和 as...as 可以相互转换,表达相反的语义。
请根据示例,在空白处完成转换:
原句
转换后
语义对应关系
A is taller than B.
B is _______________ as tall as A.
A 比 B 高 / B 不如 A 高
A is not as tall as B.
_______________ is taller than _______________.
A 不如 B 高 / B 比 A 高
A runs faster than B.
B does not run as _______________ as A.
A 跑得比 B 快 / B 跑得不如 A 快
转换三步法:
1. 找出比较的形容词/副词 _______________
1. 确定比较 _______________(谁超过谁)
1. 选择 as...as 或比较级重新表达,注意比较对象的 _______________ 要对调
例题11 按要求转换句子:
1. Lucy is quieter than Lily.(改为否定同级比较)
1. Tom is not as hard-working as Jack.(改为比较级)
1. She sings as well as her sister.(改为比较级)
2.5 课堂练习
A层·识记层——写出比较级
写出下列形容词/副词的比较级:
1. small → _______________
1. easy → _______________
1. fat → _______________
1. carefully → _______________
1. little → _______________
1. far → _______________
1. friendly → _______________
1. wet → _______________
B层·理解层——单项选择
1. Which is _______, the sun, the moon or the earth?
A. big B. bigger C. biggest D. the biggest
1. The Yangtze River is one of _______ rivers in the world.
A. long B. longer C. the longest D. longest
1. She is _______ than any other girl in her class.
A. tall B. taller C. tallest D. the tallest
1. He doesn't sing as _______ as his sister.
A. good B. well C. better D. best
1. The more you read, the _______ you will become.
A. wise B. wiser C. wisest D. the wisest
请将答案填在下方:
题号
1
2
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答案
C层·应用层——完形填空
素材:校园艺术节
Last week, our school held an art festival. Students from different grades showed their talents. I went with my classmate, Peter.
First, a girl named Cindy performed a folk dance. She moved _______ (1) than any other dancer on stage. The audience all gave her a warm welcome.
Then, two boys played a piece of music together. One played the violin, and the other played the piano. The piano part sounded _______ (2) than the violin part because the pianist was a Grade 9 student.
Later, a group of students put on a short play. The story was about a brave dog. The play was _______ (3) than I had thought. Everyone laughed a lot.
Finally, the head teacher came on stage. He said, "The _______ (4) effort you put in, the _______ (5) result you will get. Keep creating!"
I felt proud of my schoolmates. They each have their own shining points.
1. A. graceful B. more gracefully C. most gracefully D. the most gracefully
1. A. powerful B. more powerful C. most powerful D. the most powerful
1. A. funnier B. funny C. funniest D. the funniest
1. A. many B. more C. most D. the most
1. A. good B. better C. best D. the best
请将答案填在下方:
题号
1
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答案
2.6 课堂精讲反馈
一、本节课重点内容回顾(请填空):
1. 比较级的规则变化"四法则"——_______________ / _______________ / _______________ / _______________;多音节词加 _______________;不规则变化需 _______________。
1. 六大比较级句型:
句型一:A + _______________ + 形容词比较级 + _______________ + B
句型二:A + _______________ + 副词比较级 + _______________ + B
句型三:否定比较(_______________ + 原级)
句型四:_______________ + 比较级
句型五:_______________ + 比较级,_______________ + 比较级
句型六:_______________ + 原级 + _______________(同级比较)
1. 比较级和 as...as 的转换逻辑:比较级 ↔ _______________
二、高频易错点记录——请根据课堂讲解填写:
易错点
错误示例
正确用法
多音节词加 -er
beautifuler
_______________
重读闭音节不双写
biger
_______________
as...as 中用比较级
as taller as
_______________
用 very 修饰比较级
very taller
_______________
修饰动词用形容词
She sings good.
_______________
模块三 课堂小结
第1讲知识体系图谱
请根据本节课所学内容,补全知识框架:
比较级的"变形密码"
一、规则变化四法则
1.1 法则一:单音节 + _______________(tall→taller)
1.2 法则二:e 结尾 + _______________(nice→nicer)
1.3 法则三:辅音 + y → _______________(happy→happier)
1.4 法则四:重读闭音节 _______________ + -er(big→bigger)
二、多音节词:_______________ + 原级(more beautiful)
三、不规则变化
good → _______________
bad → _______________
many / much → _______________
四、六大句型
4.1 句型一:A + be + _______________ + than + B
4.2 句型二:A + 动词 + _______________ + than + B
4.3 句型三:否定比较(_______________ + 原级)
4.4 句型四:_______________ + 比较级
4.5 句型五:_______________ + 比较级,_______________ + 比较级
4.6 句型六:_______________ + 原级 + as(同级比较)
五、转换逻辑:比较级 ↔ _______________ 相互转换
今日收获清单
请写下你本节课的收获(至少写3条):
模块四 课后巩固作业
4.1 基础巩固
一、写出比较级(每题1分,共8分)
1. tall → _______________
1. happy → _______________
1. big → _______________
1. beautiful → _______________
1. good → _______________
1. badly → _______________
1. thin → _______________
1. early → _______________
二、单项选择(每题1分,共8分)
1. Lucy is _______ than her sister.
A. outgoing B. more outgoing C. most outgoing D. the most outgoing
1. He runs _______ than any other student in his class.
A. fast B. faster C. fastest D. the fastest
1. This book is as _______ as that one.
A. interesting B. more interesting C. most interesting D. the most interesting
1. The _______ you start, the _______ you will finish.
A. early; quickly B. earlier; more quickly C. earliest; most quickly D. early; quick
1. She is a little _______ than her deskmate.
A. tall B. taller C. tallest D. the tallest
1. My bag is _______ heavier than yours.
A. very B. so C. much D. too
1. He doesn't speak English as _______ as his brother.
A. good B. well C. better D. best
1. Which subject is _______, math, English or science?
A. interesting B. more interesting C. most interesting D. the most interesting
答案栏:
题号
1
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答案
4.2 能力提升
三、完形填空(每题1分,共10分)
素材:社区家庭运动会
Last month, our neighborhood held a family sports day. Six families took part in the games. I went with my parents to watch.
The first event was a three-legged race. The Smith family ran _______ (1) than the Browns. But the Johnson family finished even _______ (2) and won that round.
Next came the relay race. Mr. Zhang, a father from our building, ran the last part. He moved _______ (3) than any other parent. His daughter cheered loudly for him.
The tug-of-war was the noisiest event. The crowd shouted _______ (4) than in any other game. Our team pulled with all their strength but lost by a little.
At the prize ceremony, the host said, "Winning is not everything. The _______ (5) you enjoy the game, the _______ (6) memories you will have."
My dad said to me, "See? The Browns didn't win a single event, but they smiled the whole time. That's the real spirit."
1. A. quick B. quicker C. more quickly D. most quickly
1. A. faster B. fastest C. fast D. the fastest
1. A. fast B. faster C. more fast D. fastest
1. A. loudly B. louder C. more loudly D. most loudly
1. A. many B. more C. much D. most
1. A. good B. well C. better D. best
答案栏:
题号
1
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答案
四、阅读理解(每题2分,共8分)
素材:中学生科技创意大赛
Last month, three middle school students showed their inventions at a science fair. They were Li Wei from Beijing, Zhang Ming from Shanghai, and Wang Fang from Guangzhou.
Li Wei made a smart trash can. It can sort rubbish by itself. "My trash can is smarter than most machines in the market," Li Wei said. "It works faster and more carefully than human workers."
Zhang Ming made a robot that can water plants. "My robot is better than other watering robots because it can feel the soil," Zhang Ming said. "If the soil is wet, it stops. If it's dry, it starts. This makes it use less water than other robots."
Wang Fang made a pair of glasses for blind people. The glasses can tell the user what is in front of them. "My invention is the most meaningful of all," Wang Fang said. "It helps people see the world in a different way."
The judges had a hard time choosing the winner. Finally, they said, "Each invention is special in its own way. Li Wei's trash can is the most practical. Zhang Ming's robot is the most careful. Wang Fang's glasses are the most meaningful. The more we use technology, the better our lives will be."
1. What did Li Wei make?
A. A robot. B. A smart trash can. C. A pair of glasses. D. A watering machine.
1. What makes Zhang Ming's robot special?
A. It can walk. B. It can feel the soil. C. It can talk. D. It can sing.
1. According to the passage, which invention is the most meaningful?
A. The smart trash can. B. The watering robot. C. The glasses for blind people. D. All of them.
1. What lesson can we learn from the passage?
A. Only big inventions are useful. B. Technology can make our lives better. C. Students can't make useful things. D. The most expensive invention is the best.
答案栏:
题号
1
2
3
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答案
4.3 思维拓展
五、书面表达(10分)
假设你是李华,你的笔友 Mike 来信想了解你和你的好朋友的情况。请根据以下提示写一封回信。
提示:
1. 你和好朋友的外貌对比(身高、体重等)
1. 你们性格的异同
1. 你们爱好的异同
要求: 80词左右;使用比较级和 as...as 结构,至少使用4次。
写作草稿区:
正式写作区:
Dear Mike,
Thank you for your letter. Now let me tell you about my best friend and me.
Yours,
Li Hua
学科网(北京)股份有限公司
$
人教版八年级英语上册 Unit 3 Same or Different? 教师版讲义
知识进化体系 · 全2讲
同一知识点(形容词/副词比较级),六层认知深度递进
第1讲 比较级的"变形密码"——从词形变化到句式建构
教学时长:120分钟(2课时) | 授课对象:八年级学生 | 课型:语法建构课
核心问题链:如何比较两个人或两个事物?→ 形容词/副词的比较级怎么变?→ 比较级句式怎么用?
模块一 课前诊断(10分钟)
1.1 热身激活(3分钟)
判断下列句子是"比较"还是"描述":
1. Tom is tall. → 描述
1. Tom is taller than Jack. → 比较
1. She runs fast. → 描述
1. She runs faster than her brother. → 比较
1. This book is more interesting than that one. → 比较
核心追问:比较级和原级有什么区别?比较级在什么情况下使用?
解析:原级(如 tall, fast)只是描述人或事物的特征,不涉及对比。比较级(如 taller, faster)用于两者之间的比较,表示"一方比另一方更……"。比较级的标志性信号词是 than。判断一个句子是否使用比较级,首先找 than——有 than 则必用比较级。
1.2 诊断测试(7分钟)
一、写出下列形容词/副词的比较级(每题1分,共10分)
1. tall → taller。解析:单音节词,比较级直接加 -er。单音节词只有一个元音音素,音节短,直接在词尾加 -er 即可,如 tall→taller, short→shorter。
1. happy → happier。解析:以"辅音字母 + y"结尾的形容词,变 y 为 i 再加 -er。口诀:"辅音+y,变 y 为 i 再加 er"。同类词:easy→easier, heavy→heavier, funny→funnier。
1. big → bigger。解析:重读闭音节且末尾只有一个辅音字母时,双写该辅音字母再加 -er。判断三步法:第一步,big 是单音节(自然重读);第二步,结尾是"一个元音字母 i + 一个辅音字母 g";第三步,满足条件→双写 g→bigger。同类词:hot→hotter, thin→thinner, fat→fatter, wet→wetter。
1. beautiful → more beautiful。解析:多音节词(三个及以上音节)不能加 -er,必须在原级前加 more。beautiful 有三个音节(beau-ti-ful),比较级为 more beautiful。同类词:important→more important, outgoing→more outgoing。
1. good / well → better。解析:不规则变化。good(形容词"好的")和 well(副词"好地")的比较级都是 better。不规则变化无规律可循,必须逐个记忆。
1. fast → faster。解析:单音节副词,直接加 -er。fast 既是形容词也是副词,比较级都是 faster。
1. heavy → heavier。解析:辅音字母 + y 结尾,变 y 为 i 加 -er。注意不要遗漏变 y 为 i 这一步。
1. thin → thinner。解析:重读闭音节,双写 n 再加 -er。thin 是单音节词,以"元音字母 i + 辅音字母 n"结尾,满足双写条件。
1. bad / badly → worse。解析:不规则变化。bad(形容词"坏的")和 badly(副词"坏地")的比较级都是 worse。注意不要按规则变化写成 badder。
1. many / much → more。解析:不规则变化。many(修饰可数名词)和 much(修饰不可数名词)的比较级都是 more。注意 many 和 much 的比较级形式相同,但用法不同——many books→more books,much water→more water。
二、单项选择(每题1分,共5分)
1. Tom is _______ than his brother.
A. tall
B. taller
C. tallest
D. the tallest
答案:B
解析:第一步,看到 than 确定是比较级。第二步,tall 是单音节词,比较级加 -er 为 taller。第三步,排除 A(原级)、C 和 D(最高级)。易错警示:学生容易忽略 than 而误选 A(原级),须养成"看到 than 就想到比较级"的思维习惯。
1. She is _______ than me.
A. more outgoing
B. outgoing
C. most outgoing
D. the most outgoing
答案:A
解析:第一步,than 标志比较级。第二步,outgoing 是多音节词(out-go-ing),比较级须用 more + 原级,不能加 -er。第三步,选择 A。易错警示:学生可能受单音节词规则干扰,误加 -er 写成 outgoinger,但多音节词绝对不能用 -er。
1. He runs _______ than his cousin.
A. fast
B. faster
C. fastest
D. the fastest
答案:B
解析:第一步,than 标志比较级。第二步,fast 是单音节副词,比较级加 -er 为 faster。第三步,修饰动词 run 须用副词 fast,不能用形容词。易错警示:学生可能误选 A(原级),原因是混淆了形容词和副词的用法。
1. This book is as _______ as that one.
A. interesting
B. more interesting
C. most interesting
D. the most interesting
答案:A
解析:第一步,识别 as...as 结构,表示"和……一样",中间必须用原级。第二步,interesting 是多音节词原级,不用加 more。易错警示:学生可能看到 as...as 就联想到"比较"而误选 B(比较级),但 as...as 是同级比较,不是比较级。
1. My English is _______ than before.
A. good
B. better
C. best
D. well
答案:B
解析:第一步,than 标志比较级。第二步,good 是不规则变化,比较级为 better。第三步,排除 A(原级)、C(最高级)、D(副词原级)。易错警示:学生可能误选 D(well),但这里主语是 My English,需要形容词作表语,不是副词。
模块二 课堂精讲(80分钟)
2.1 认知重构导入——"比较"的思维模型(5分钟)
核心问题:比较级到底在表达什么?
比较级不是孤立的"词形变化",而是表达两者之间差异的语法工具。当我们说"A 比 B 更……"时,实际上是在建立一种"差异关系"。
比较的基本三要素:
1. 比较的对象——必须有两个主体(A 和 B)
1. 比较的维度——身高、速度、性格、能力等具体方面
1. 比较的结果——谁在某方面超过谁
比较级的核心公式:
A + be / 实义动词 + 比较级 + than + B
这个公式的本质含义是:A 在某个维度上超过了 B。than 是连接比较双方的桥梁。
2.2 比较级的"变形密码"——规则变化(15分钟)
核心问题:什么时候加 -er?什么时候加 more?什么时候双写?什么时候变 y?
2.2.1 规则变化"四法则"(形容词/副词通用)
法则
适用条件
变法
示例
法则一
单音节词和部分双音节词
直接加 -er
tall→taller, fast→faster, hard→harder
法则二
以不发音 e 结尾
直接加 -r
nice→nicer, late→later, large→larger
法则三
辅音字母 + y 结尾
y→i 再加 -er
happy→happier, early→earlier, easy→easier
法则四
重读闭音节单辅音结尾
双写辅音 + -er
big→bigger, thin→thinner, hot→hotter
法则四深度解析——什么是"重读闭音节"?
重读闭音节 = 该音节重读 + 以"一个元音字母 + 一个辅音字母"结尾。
判断三步法:
1. 单词有几个音节?——big 是单音节(自然重读)
1. 结尾是不是"一个元音字母 + 一个辅音字母"?——big 结尾是 i(元音)+ g(辅音),符合条件
1. 满足条件 → 双写末尾辅音字母 + -er → bigger
常见例外词:
单词
比较级
说明
quiet
quieter / more quiet
两种形式均可
clever
cleverer / more clever
两种形式均可
narrow
narrower
-ow 结尾常不双写
friendly
friendlier / more friendly
两种形式均可
2.2.2 多音节词和部分双音节词——加 more
规律:三个及以上音节的词,以及部分双音节词(如以 -ful, -ly, -ing 结尾的词),比较级在原级前加 more,不加 -er。
原级
比较级
音节数
规律说明
beautiful
more beautiful
3
三音节词,加 more
important
more important
3
三音节词,加 more
outgoing
more outgoing
3
三音节词,加 more
careful
more careful
2
双音节,-ful 结尾
slowly
more slowly
2
双音节,-ly 结尾
boring
more boring
2
双音节,-ing 结尾
判断口诀:单音节加 -er,多音节加 more,双音节看词尾——-ly、-ful、-ing 加 more,其余加 -er 也行。
2.2.3 不规则变化——"特别记忆组"
原级
比较级
词性
记忆技巧
good
better
形容词
"好"→"更好"
well
better
副词
"好地"→"更好地"
bad
worse
形容词
"坏"→"更坏"
badly
worse
副词
"坏地"→"更坏"
many
more
形容词(可数)
"多"→"更多"
much
more
形容词(不可数)
"多"→"更多"
little
less
形容词
"少"→"更少"
far
farther / further
形容词/副词
距离/程度
farther 与 further 的区别:farther 仅指具体距离上的"更远"(如 I can throw farther than you.);further 既可指具体距离,也可指抽象程度的"更进一步"(如 Let's discuss further.),因此 further 的使用范围更广。
例题1 My sister is _______ than me.
A. thin
B. thinner
C. thinnest
D. the thinnest
答案:B
解析:第一步,than 标志比较级。第二步,thin 是重读闭音节单词(一个元音字母 i + 一个辅音字母 n),须双写 n 再加 -er 为 thinner。第三步,排除 A(原级)、C 和 D(最高级)。易错警示:学生容易忘记双写,直接加 -er 写成 thinner 的错误形式。
例题2 This question is _______ than that one.
A. difficult
B. more difficult
C. most difficult
D. the most difficult
答案:B
解析:第一步,than 标志比较级。第二步,difficult 是多音节词(dif-fi-cult,三个音节),比较级加 more 为 more difficult。第三步,排除 A(原级)、C 和 D(最高级)。
例题3 写出比较级:
1. early → earlier。解析:辅音字母 + y 结尾,变 y 为 i 加 -er。
1. slowly → more slowly。解析:-ly 结尾的双音节副词,加 more。
1. badly → worse。解析:不规则变化,与 bad 同形。
1. hot → hotter。解析:重读闭音节,双写 t 加 -er。
2.3 比较级的"句式建构"——六大核心句型(20分钟)
2.3.1 句型一:A + be + 形容词比较级 + than + B
功能:比较两者的性质、特征(身高、体重、性格等)。
公式:A + be + 形容词比较级 + than + B
例句:My sister is younger than me.
注意:than 后的 B 若与前文名词重复,可用名词性物主代词替代。如:My bag is heavier than your bag. = My bag is heavier than yours.
例题4 His hair is _______ than mine.
A. long
B. longer
C. longest
D. the longest
答案:B
解析:第一步,than 标志比较级。第二步,long 是单音节词,加 -er 为 longer。第三步,mine 是名词性物主代词,替代 my hair,避免重复。
2.3.2 句型二:A + 实义动词 + 副词比较级 + than + B
功能:比较两者的动作方式、频率、程度。
公式:A + 实义动词 + 副词比较级 + than + B
例句:He runs faster than Tom.
注意:修饰动词必须用副词比较级,不能用形容词。如:She sings better than me.(well→better,副词比较级)
例题5 She dances _______ than her sister.
A. good
B. well
C. better
D. best
答案:C
解析:第一步,than 标志比较级。第二步,修饰动词 dance 须用副词 well,well 的比较级是 better(不规则变化)。第三步,排除 A(形容词不能修饰动词)、B(原级)、D(最高级)。易错警示:学生可能误选 good,但 good 是形容词,不能修饰动词。
2.3.3 句型三:A + be + not + 形容词比较级 + than + B(否定比较)
功能:表示"A 不如 B ……"。
公式:A + be + not + 形容词比较级 + than + B
或:A + be + less + 形容词原级 + than + B
例句:This movie is not more interesting than that one. = This movie is less interesting than that one.
注意:less 后必须接形容词/副词的原级,不能接比较级。less 本身已经包含"比较"含义,所以后面的形容词/副词用原级。
例题6 He is _______ than his brother. His brother is more outgoing.
A. not outgoing
B. not more outgoing
C. less outgoing
D. more outgoing
答案:C
解析:第一步,根据"His brother is more outgoing"可知"他不如他哥哥外向"。第二步,否定比较可用 less + 原级(less outgoing)或 not + 比较级(not more outgoing),但 B 选项的 not more outgoing 从语义上不如 C 的 less outgoing 直接自然。第三步,选择 C。易错警示:学生可能选 A(not outgoing 不是比较结构,无法与 than 搭配)。
2.3.4 句型四:程度副词 + 比较级
功能:突出 A 与 B 的差异大小,使比较更加精确。
程度副词
含义
例句
much / a lot
……得多
This box is much heavier than that one.
a little / a bit
……一点
It's a little colder today than yesterday.
even
甚至更……
After exercise, he became even stronger.
far
……得多
This book is far more interesting than that one.
注意:不能用 very, so, too 修饰比较级。这些程度副词只能修饰原级。例如:She is very taller than me.(错误)/ She is much taller than me.(正确)
例题7 The weather today is _______ than yesterday. It's 5 degrees lower.
A. much cold
B. much colder
C. very colder
D. so colder
答案:B
解析:第一步,than 标志比较级。第二步,colder 是比较级,前面用 much 修饰表示"冷得多",very 不能修饰比较级。第三步,排除 A(cold 不是比较级)、C 和 D(very 和 so 不能修饰比较级)。易错警示:very 只能修饰原级形容词/副词,这是高频考点。
2.3.5 句型五:the + 比较级,the + 比较级
功能:表示"越……,就越……",表达因果递进关系。
公式:The + 比较级 + 主语 + 谓语,the + 比较级 + 主语 + 谓语
例句:The harder you study, the better grades you will get.
注意:两个 the 缺一不可,且比较级后须接完整的句子成分(主语 + 谓语),不能省略。
例题8 _______ you practice, _______ you will speak.
A. The more; the better
B. The much; the well
C. More; better
D. The many; the good
答案:A
解析:第一步,识别"越……越……"结构,须用"the + 比较级,the + 比较级"。第二步,much→more(比较级),well→better(比较级)。第三步,排除 B(原级不能用于此结构)、C(缺少 the)、D(many 和 good 不是比较级)。
2.3.6 句型六:as + 原级 + as(同级比较)
功能:表示"A 和 B 在某方面一样……"。
肯定形式:A + be/动词 + as + 原级 + as + B(和……一样)
否定形式:A + be/动词 + not + as/so + 原级 + as + B(不如……)
例句:This story is as interesting as that one.
He does not run as fast as his brother.
注意:as...as 中间必须用原级,不能用比较级或最高级。否定形式中 as 可换成 so(not so...as...)。
例题9 She is _______ her mother. They both have big eyes.
A. as beautiful as
B. more beautiful than
C. the most beautiful
D. beautiful as
答案:A
解析:第一步,根据"They both have big eyes"可知两人一样漂亮。第二步,同级比较用 as + 原级 + as。第三步,排除 B(比较级,语义不符)、C(最高级,用于三者以上)、D(缺少第一个 as)。
例题10 句型转换:
1. Tom is taller than Mike.(改为同级比较)
答案:Mike is not as tall as Tom.
解析:比较级"taller than"转换为同级比较时,要看语义方向。taller than 表示"比……高",其反义的同级比较是"not as tall as"(不如……高)。注意:转换时比较对象要对调。
1. He runs faster than any other boy in his class.(改为最高级)
答案:He runs (the) fastest in his class.
解析:"比较级 + than any other"结构可以转换为最高级。副词最高级前 the 可省略,所以 fastest 或 the fastest 均可。
2.4 as...as 与比较级的"转换逻辑"(10分钟)
核心规律:比较级和 as...as 可以相互转换,表达相反的语义。
原句
转换后
语义对应关系
A is taller than B.
B is not as tall as A.
A 比 B 高 / B 不如 A 高
A is not as tall as B.
B is taller than A.
A 不如 B 高 / B 比 A 高
A runs faster than B.
B does not run as fast as A.
A 跑得比 B 快 / B 跑得不如 A 快
转换三步法:
1. 找出比较的形容词/副词原级
1. 确定比较方向(谁超过谁)
1. 选择 as...as 或比较级重新表达,注意比较对象的位置要对调
例题11 按要求转换句子:
1. Lucy is quieter than Lily.(改为否定同级比较)
答案:Lily is not as quiet as Lucy.
解析:比较级"quieter than"转换为否定同级比较"not as + 原级 + as"。quieter 的原级是 quiet,注意去掉 -er。比较对象对调:Lucy 和 Lily 互换位置。
1. Tom is not as hard-working as Jack.(改为比较级)
答案:Jack is more hard-working than Tom.
解析:否定同级比较"not as...as"转换为比较级。hard-working 是多音节词,比较级为 more hard-working。注意比较对象对调。
1. She sings as well as her sister.(改为比较级)
答案:Her sister sings no better than her. 或 She sings no worse than her sister.
解析:同级比较 as...as 表示"一样好",转换为比较级可用 no + 比较级 + than 结构,表示"两者都不更……"即"一样……"。
2.5 课堂练习(15分钟)
A层·识记层(5分钟)——写出比较级
写出下列形容词/副词的比较级:
1. small → smaller。解析:单音节词,直接加 -er。
1. easy → easier。解析:辅音字母 + y 结尾,变 y 为 i 加 -er。
1. fat → fatter。解析:重读闭音节,双写 t 加 -er。
1. carefully → more carefully。解析:-ly 结尾的多音节副词,加 more。
1. little → less。解析:不规则变化。
1. far → farther / further。解析:不规则变化,两种形式均可,farther 指具体距离,further 指抽象程度。
1. friendly → friendlier / more friendly。解析:双音节词,两种形式均可。
1. wet → wetter。解析:重读闭音节,双写 t 加 -er。
B层·理解层(5分钟)——单项选择
1. Which is _______, the sun, the moon or the earth?
A. big
B. bigger
C. biggest
D. the biggest
答案:D
解析:三者比较(the sun, the moon, the earth)用最高级,形容词最高级前必须加 the。易错警示:学生看到三者就想到"大"的比较,但三者及以上必须用最高级,而非比较级。
1. The Yangtze River is one of _______ rivers in the world.
A. long
B. longer
C. the longest
D. longest
答案:C
解析:"one of the + 最高级 + 复数名词"是固定结构,表示"最……的……之一"。句意:长江是世界上最长的河流之一。注意:最高级前必须有 the,后面的名词用复数。
1. She is _______ than any other girl in her class.
A. tall
B. taller
C. tallest
D. the tallest
答案:B
解析:"than any other + 单数名词"是比较级结构,表示"比任何其他……都……"。虽然语义上接近最高级,但语法形式是比较级。any other 后的名词用单数。
1. He doesn't sing as _______ as his sister.
A. good
B. well
C. better
D. best
答案:B
解析:as...as 中间用原级,修饰动词 sing 要用副词 well。good 是形容词,不能修饰动词。
1. The more you read, the _______ you will become.
A. wise
B. wiser
C. wisest
D. the wisest
答案:B
解析:"the + 比较级,the + 比较级"结构。wise 是单音节词,比较级加 -r 为 wiser。注意 wise 以不发音 e 结尾,只需加 -r,不是 -er。
C层·应用层(5分钟)——完形填空
素材来源:自编题,素材基于2026年"校园艺术节"活动。
Last week, our school held an art festival. Students from different grades showed their talents. I went with my classmate, Peter.
First, a girl named Cindy performed a folk dance. She moved _______ (1) than any other dancer on stage. The audience all gave her a warm welcome.
Then, two boys played a piece of music together. One played the violin, and the other played the piano. The piano part sounded _______ (2) than the violin part because the pianist was a Grade 9 student.
Later, a group of students put on a short play. The story was about a brave dog. The play was _______ (3) than I had thought. Everyone laughed a lot.
Finally, the head teacher came on stage. He said, "The _______ (4) effort you put in, the _______ (5) result you will get. Keep creating!"
I felt proud of my schoolmates. They each have their own shining points.
1. A. graceful
B. more gracefully
C. most gracefully
D. the most gracefully
1. A. powerful
B. more powerful
C. most powerful
D. the most powerful
1. A. funnier
B. funny
C. funniest
D. the funniest
1. A. many
B. more
C. most
D. the most
1. A. good
B. better
C. best
D. the best
答案:1. B 2. B 3. A 4. B 5. B
详细解析:
1. B — than 标志比较级,修饰动词 moved 用副词 gracefully→more gracefully。gracefully 是多音节副词,加 more。
1. B — than 标志比较级,powerful 是双音节以 -ful 结尾的形容词,加 more 为 more powerful。
1. A — than 标志比较级,funny→funnier(辅音字母 + y 结尾,变 y 为 i 加 -er)。
1. B — "the + 比较级,the + 比较级"结构,many→more。
1. B — "the + 比较级,the + 比较级"结构,good→better(不规则变化)。
2.6 课堂精讲反馈(5分钟)
重点讲解内容:
1. 比较级的规则变化"四法则"——加 -er / 加 -r / 变 y 为 i 加 -er / 双写加 -er;多音节词加 more;不规则变化。
1. 六大比较级句型:A + be + 比较级 + than + B;A + 动词 + 副词比较级 + than + B;否定比较;程度副词 + 比较级;the + 比较级,the + 比较级;as + 原级 + as。
1. 比较级和 as...as 的转换逻辑。
高频易错点总结:
易错点
错误示例
正确用法
纠错策略
多音节词加 -er
beautifuler
more beautiful
多音节词必须用 more
重读闭音节不双写
biger
bigger
重读闭音节要双写末尾辅音
as...as 中用比较级
as taller as
as tall as
as...as 中间用原级
用 very 修饰比较级
very taller
much taller
very 只能修饰原级
修饰动词用形容词
She sings good.
She sings well.
修饰动词必须用副词
than 后错用主格
He is taller than I.
He is taller than me.
than 后宾格更常用
模块三 课堂小结(5分钟)
第1讲知识体系图谱:
比较级的"变形密码"
一、规则变化四法则
1.1 法则一:单音节 + -er(tall→taller)
1.2 法则二:e 结尾 + -r(nice→nicer)
1.3 法则三:辅音 + y → ier(happy→happier)
1.4 法则四:重读闭音节双写 + -er(big→bigger)
二、多音节词:more + 原级(more beautiful)
三、不规则变化(good→better, bad→worse, many→more)
四、六大句型
4.1 句型一:A + be + 比较级 + than + B
4.2 句型二:A + 动词 + 副词比较级 + than + B
4.3 句型三:否定比较(less + 原级)
4.4 句型四:程度副词 + 比较级
4.5 句型五:the + 比较级,the + 比较级
4.6 句型六:as + 原级 + as(同级比较)
五、转换逻辑:比较级 ↔ as...as 相互转换
教师结语:今天我们学习了比较级的变形规则和六大核心句型。比较级不是孤立的词形变化,而是表达"差异"的逻辑工具。下节课,我们将在基础上继续深化——从"比较两个事物"进化到"在真实场景中自如地比较人物、事物,并表达自己的观点"。
今日收获清单:
1. 掌握了比较级的规则和不规则变化。
1. 学会了六大比较级句型。
1. 理解了比较级和 as...as 的转换逻辑。
1. 能在简单句中正确使用比较级。
模块四 课后巩固作业(30分钟量)
4.1 基础巩固(10分钟)
一、写出比较级(每题1分,共8分)
1. tall → taller。解析:单音节词,直接加 -er。
1. happy → happier。解析:辅音 + y 结尾,变 y 为 i 加 -er。
1. big → bigger。解析:重读闭音节,双写 g 加 -er。
1. beautiful → more beautiful。解析:多音节词,加 more。
1. good → better。解析:不规则变化。
1. badly → worse。解析:不规则变化。
1. thin → thinner。解析:重读闭音节,双写 n 加 -er。
1. early → earlier。解析:辅音 + y 结尾,变 y 为 i 加 -er。
二、单项选择(每题1分,共8分)
1. Lucy is _______ than her sister.
A. outgoing
B. more outgoing
C. most outgoing
D. the most outgoing
答案:B
解析:than 标志比较级,outgoing 是多音节词,加 more 为 more outgoing。
1. He runs _______ than any other student in his class.
A. fast
B. faster
C. fastest
D. the fastest
答案:B
解析:"than any other"是比较级标志,fast→faster。any other 后接单数名词 student。
1. This book is as _______ as that one.
A. interesting
B. more interesting
C. most interesting
D. the most interesting
答案:A
解析:as...as 中间用原级,interesting 是原级。
1. The _______ you start, the _______ you will finish.
A. early; quickly
B. earlier; more quickly
C. earliest; most quickly
D. early; quick
答案:B
解析:"the + 比较级,the + 比较级"结构。early→earlier(辅音 + y 变 y 为 i 加 -er),quickly→more quickly(-ly 结尾副词加 more)。
1. She is a little _______ than her deskmate.
A. tall
B. taller
C. tallest
D. the tallest
答案:B
解析:a little 修饰比较级,than 标志比较级,tall→taller。
1. My bag is _______ heavier than yours.
A. very
B. so
C. much
D. too
答案:C
解析:修饰比较级用 much,very / so / too 只能修饰原级,不能修饰比较级。
1. He doesn't speak English as _______ as his brother.
A. good
B. well
C. better
D. best
答案:B
解析:as...as 中间用原级,修饰动词 speak 用副词 well。
1. Which subject is _______, math, English or science?
A. interesting
B. more interesting
C. most interesting
D. the most interesting
答案:D
解析:三者比较用最高级,形容词最高级前加 the。interesting 是多音节词,最高级为 the most interesting。
4.2 能力提升(12分钟)
三、完形填空(原创题,每题1分,共10分)
素材来源:自编题,素材基于2026年"社区家庭运动会"活动。
Last month, our neighborhood held a family sports day. Six families took part in the games. I went with my parents to watch.
The first event was a three-legged race. The Smith family ran _______ (1) than the Browns. But the Johnson family finished even _______ (2) and won that round.
Next came the relay race. Mr. Zhang, a father from our building, ran the last part. He moved _______ (3) than any other parent. His daughter cheered loudly for him.
The tug-of-war was the noisiest event. The crowd shouted _______ (4) than in any other game. Our team pulled with all their strength but lost by a little.
At the prize ceremony, the host said, "Winning is not everything. The _______ (5) you enjoy the game, the _______ (6) memories you will have."
My dad said to me, "See? The Browns didn't win a single event, but they smiled the whole time. That's the real spirit."
1. A. quick
B. quicker
C. more quickly
D. most quickly
1. A. faster
B. fastest
C. fast
D. the fastest
1. A. fast
B. faster
C. more fast
D. fastest
1. A. loudly
B. louder
C. more loudly
D. most loudly
1. A. many
B. more
C. much
D. most
1. A. good
B. well
C. better
D. best
答案:1. C 2. A 3. B 4. C 5. B 6. C
详细解析:
1. C — than 标志比较级。修饰动词 ran 用副词 quickly→more quickly(多音节副词)。quick 是形容词,不能修饰动词。
1. A — even 修饰比较级。faster 是 fast 的比较级。句意:Johnson 家完成得甚至更快。
1. B — than 标志比较级。fast→faster。修饰动词 moved 用副词比较级。
1. C — than 标志比较级。loudly 是多音节副词,比较级为 more loudly。shouted more loudly 表示"喊得更大声"。
1. B — "the + 比较级,the + 比较级"结构,much→more。注意 enjoy 是动词,用 much 修饰。
1. C — "the + 比较级,the + 比较级"结构,good→better。memories 是名词,用 better 修饰。
四、阅读理解(原创题,每题2分,共8分)
素材来源:自编题,素材基于2026年"中学生科技创意大赛"。
Last month, three middle school students showed their inventions at a science fair. They were Li Wei from Beijing, Zhang Ming from Shanghai, and Wang Fang from Guangzhou.
Li Wei made a smart trash can. It can sort rubbish by itself. "My trash can is smarter than most machines in the market," Li Wei said. "It works faster and more carefully than human workers."
Zhang Ming made a robot that can water plants. "My robot is better than other watering robots because it can feel the soil," Zhang Ming said. "If the soil is wet, it stops. If it's dry, it starts. This makes it use less water than other robots."
Wang Fang made a pair of glasses for blind people. The glasses can tell the user what is in front of them. "My invention is the most meaningful of all," Wang Fang said. "It helps people see the world in a different way."
The judges had a hard time choosing the winner. Finally, they said, "Each invention is special in its own way. Li Wei's trash can is the most practical. Zhang Ming's robot is the most careful. Wang Fang's glasses are the most meaningful. The more we use technology, the better our lives will be."
1. What did Li Wei make?
A. A robot.
B. A smart trash can.
C. A pair of glasses.
D. A watering machine.
答案:B
解析:原文明确提到"Li Wei made a smart trash can",直接定位即可,属于细节理解题。
1. What makes Zhang Ming's robot special?
A. It can walk.
B. It can feel the soil.
C. It can talk.
D. It can sing.
答案:B
解析:原文"because it can feel the soil"解释了 Zhang Ming 的机器人的独特之处。属于细节理解题,考查定位关键信息的能力。
1. According to the passage, which invention is the most meaningful?
A. The smart trash can.
B. The watering robot.
C. The glasses for blind people.
D. All of them.
答案:C
解析:原文"Wang Fang's glasses are the most meaningful",直接引用评委的评价。注意区分:the most practical 是 Li Wei 的发明,the most careful 是 Zhang Ming 的发明,the most meaningful 是 Wang Fang 的发明。
1. What lesson can we learn from the passage?
A. Only big inventions are useful.
B. Technology can make our lives better.
C. Students can't make useful things.
D. The most expensive invention is the best.
答案:B
解析:主旨归纳题。文章最后一句"The more we use technology, the better our lives will be"点明主旨——技术让生活更美好。A、C、D 均与原文信息相悖。
4.3 思维拓展(8分钟)
五、书面表达(10分)
假设你是李华,你的笔友 Mike 来信想了解你和你的好朋友的情况。请根据以下提示写一封回信。
提示:
1. 你和好朋友的外貌对比(身高、体重等)
1. 你们性格的异同
1. 你们爱好的异同
要求:80 词左右;使用比较级和 as...as 结构,至少使用 4 次。
参考范文:
Dear Mike,
Thank you for your letter. Now let me tell you about my best friend Tom and me.
Tom is taller than me, but I am heavier than him. In personality, I am more outgoing than Tom. He is quieter than me. But we are as hard-working as each other. We both study very hard.
We have some similar hobbies. We both like sports. Tom runs faster than me, but I swim better than him. We often play basketball together after school.
Though we are different, we are good friends. The more time we spend together, the better friends we become.
Yours,
Li Hua
学科网(北京)股份有限公司
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