Unit9语法专项课件-2025-2026学年仁爱科普版英语八年级下册
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摘要:
该初中英语课件系统梳理了Unit 9复合词和副词比较级、最高级语法点,通过定义解析、构成类型分类(名+名、动/名+名)、典型词表格梳理及变化规则归纳,构建“概念-规则-应用”的知识网络,帮助学生建立语法知识内在逻辑。
其亮点在于结合灾害语境设计分层练习,从基础拼写(如“thunder+storm=thunderstorm”)到综合句型转换,培养学生语言运用能力和思维品质,同时通过易错点提醒助力教师精准教学,有效提升学生语法应用和问题解决能力。
内容正文:
教学课件
新人教版八年级上册
Unit 9语法专项——复合词&副词比较级和最高级
全解精讲+分层练习
1
学习目标
1.掌握复合词的定义、构成类型及拼写运用
2.熟记副词比较级和最高级的变化规则
3.能在不同题型中灵活运用两大语法点
4.结合灾害语境理解语法的实际应用
语法点1:复合词(Compound words)
核心定义:由两个或多个独立单词组合而成的新词,
表达新的专属含义,是英语重要构词法。
本单元复合词多围绕自然灾害场景展开。
复合词 核心构成类型(本单元重点)
类型1:名词+名词(最常见)
两个名词直接拼接,前词修饰后词表属性
例:snow + storm = snowstorm(暴风雪)
类型2:动词/名词+名词
前词表动作/特征,后词表事物
例:flash + light = flashlight(手电筒)
本单元典型复合词梳理
复合词 构成词1 构成词2 含义
snowstorm snow(雪) storm(风暴) 暴风雪
thunderstorm thunder(雷) storm(风暴) 雷暴
earthquake earth(地球) quake(震动) 地震
本单元典型复合词梳理
复合词 构成词1 构成词2 含义
flashlight flash(闪光) light(光) 手电筒
sandstorm sand(沙) storm(风暴) 沙尘暴
aftershock after(之后) shock(震动) 余震
复合词 拓展积累&拼写注意
1.灾害类拓展:flood+way=floodway(泄洪道)
2.日常类拓展:super+market=supermarket(超市)
拼写规则:直接拼接为一个单词,无空格、无连字符
复合词 小练习(拼写)
根据提示写出对应复合词
1.rain + bow = ____________(彩虹)
2.sun + shine = ____________(阳光)
3.fire + truck = ____________(消防车)
rainbow
sunshine
firetruck
语法点2:副词的比较级和最高级
核心定义:
用来比较动作的程度、频率、方式,
分为两类:
1.比较级:用于两者之间的比较
2.最高级:用于三者及以上的比较
副词比较级/最高级 规则变化(1)
单音节副词:直接加-er(比较级)/-est(最高级)
例:fast → faster → fastest
high → higher → highest
early → earlier → earliest
副词比较级/最高级 规则变化(2)
多音节副词:词前加more(比较级)/most(最高级)
词形本身不发生变化
例:carefully → more carefully → most carefully
slowly → more slowly → most slowly
副词比较级/最高级 不规则变化
原级 比较级 最高级
well better best
badly worse worst
far farther farthest
副词比较级 核心用法
1.后常接than,引出比较的对象
2.修饰动词,置于动词之后
3.程度副词(much/a little)放比较级前
例:She runs much faster than me.
副词最高级 核心用法
1.前常加定冠词the(书面语必加)
2.后接表范围的短语(in/among...)
3.修饰动词,置于动词之后
例:Among all boys, he jumps the highest.
易混点区分
副词VS形容词比较级/最高级
副词形式:仅修饰动词,表动作的程度
例:He drives carefully.(修饰drive)
形容词形式:修饰名词/代词,表事物特征
例:He is a careful driver.(修饰driver)
副词比较级/最高级 小练习(变化)
写出下列副词的比较级和最高级
1.quickly → _____________ ;_____________
2.badly → _____________ ;_____________
3.far → _______________ ;_______________
more quickly
most quickly
worse
worst
farther/further
farthest/furthest
专项练习 题型一:复合词拼写(基础)
根据所给单词和汉语提示写复合词
1.thunder + storm = _______(雷暴) 2.earth + quake = _______(地震)
3.sand + storm = _______(沙尘暴) 4.flood + way = _______(泄洪道)
5.book + store = _________(书店) 6.water + bottle = __________(水瓶)
7.news + paper = __________(报纸) 8.hand + bag = __________(手提包)
sandstorm
earthquake
sandstorm
floodway
bookstore
waterbottle
newspaper
handbag
专项练习 题型二:复合词选词填空
备选词:flashlight; sandstorm; aftershock; supermarket
1.You need a ___________ to walk in the dark cave.
2.A small ___________ came after the big earthquake.
3.We bought food in the ____________ before the storm.
4.A strong __________ made people hard to see the road.
5.We saw a beautiful rainbow after the heavy __________.
flashlight
aftershock
supermarket
sandstorm
rainstorm
专项练习 题型三:副词比较级/最高级变化
写出下列副词的比较级和最高级
1.terribly → ____________ ;_____________
2.late → ___________ ;___________
3.happily → _____________ ;___________
4.hard → __________ ;__________
more terribly
most terribly
later
latest
more happily
most happily
harder
hardest
专项练习 题型四:单项选择(1)
1.The rain fell _______ than yesterday, so we canceled the trip.
A. heavy B. heavier C. more heavily
2.Among all players, he plays basketball _______.
A. best B. better C. well
3.A _______ is a disaster that makes the earth shake strongly.
A. sandstorm B. earthquake C. thunderstorm
4.She speaks English _______ than her sister.
A. more clearly B. clearer C. clearest
5.We need to drive _______ on the icy road to keep safe.
A. careful B. carefully C. more carefully
6.He did _______ in the exam than last time, so his mom was angry.
A. worse B. bad C. badly
C
A
B
A
C
A
专项练习 题型五:完成句子(1)
根据汉语提示补全句子
1.雷暴比沙尘暴更危险。
A ____________ is _______ dangerous than a _______.
2.他开车比他爸爸更小心。
He drives ___________ ___________ than his father.
3.在所有救援人员中,他行动得最快。
Among all rescuers, he acted _______ _______.
4.地震后,我们用手电筒找到了回家的路。
After the ____________, we used a ___________ to find the way home.
5.这场暴风雪是我见过的最大的。
This ___________ is the _______ big one I’ve ever seen.
6.她在比赛中表现得比平时好得多。
She performed _______ _______ than usual in the competition.
thunderstorm more sandstorm
more carefully
the fastest
earthquake flashlight
snowstorm most
much better
专项练习 题型六:句型转换(1)
按要求改写句子
1.He runs fast.(改为比较级,比较对象:his brother)
2.She speaks English well.(改为最高级,范围:in her class)
3.The wind blows strongly.(改为比较级,比较对象:yesterday)
4.He did badly in the test.(改为最高级,范围:among all students)
He runs faster than his brother.
She speaks English the best in her class.
The wind blows more strongly than it did yesterday.
He did the worst in the test among all the students.
语法核心总结(一):复合词
1.构成:多词直接拼接,无空格、无连字符
2.类型:本单元核心为“名+名”“动+名”
3.运用:结合场景记忆,拼写无变形
4.拓展:可通过构词法积累更多日常词汇
语法核心总结(二):副词比较级/最高级
1.变化:规则(单音节+-er/-est;多音节+more/most)+不规则(3个高频词)
2.用法:比较级+than;最高级+the+范围短语
3.位置:修饰动词,放动词之后
4.区分:与形容词形式区分,不修饰名词/代词
单元语法 易错点提醒
1.复合词易漏写:牢记是一个完整单词
2.副词修饰动词:动词后必须用副词形式
3.多音节副词比较级:不可直接加-er/-est
4.最高级the的使用:书面语中不能省略
教学课件
Unit 9语法专项——复合词&副词比较级和最高级
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