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教学课件
新仁爱版七年级下册
Unit 12 语法专项—— 形容词变副词 & 并列连词and/but/or
全解精讲+分层练习
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学习目标
掌握形容词变副词的核心规则,包括特殊变形情况
明确副词的用法,能正确用副词修饰动词、形容词和其他副词
区分and/but/or的逻辑关系,掌握其在不同句式中的用法
规避两类语法的常见易错点,完成多样题型练习
一、形容词变副词 - 核心概念与作用
形容词修饰名词或代词,表人或事物的特征
副词可修饰动词、形容词或其他副词,表动作方式或状态
大部分形容词可通过加后缀-ly转化为副词
变形后的副词,能更具体地描述动作的发生方式
判断是否用副词,关键看所修饰的成分是动词、形容词还是副词
形容词变副词 - 常见变化规则表
形容词类型 变化规则 例词
一般形容词 直接加-ly quiet→quietly; quick→quickly; clear→clearly
y结尾(y前为辅音) 变y为i,再加-ly happy→happily; easy→easily; angry→angrily
le结尾 去e加-y gentle→gently; possible→possibly; simple→simply
ic结尾 加-ally basic→basically; historic→historically; magic→magically
特殊变化 不规则变形 good→well; true→truly; late→late
形容词变副词 - 一般规则变形详解
多数普通形容词直接加-ly即可完成副词变形
变形后保留原形容词的词义,仅改变词性和用法
clear → clearly,修饰动词:He speaks clearly.
bright → brightly,修饰动词:The sun shines brightly.
clean → cleanly,修饰动词:He cuts the paper cleanly.
此类变形无额外拼写变化,直接在词尾加-ly即可
形容词变副词 - 辅音+y结尾变形详解
核心规则为变y为i,再加-ly,需注意拼写变化
这类形容词是高频考点,变形时切勿直接加-ly
happy → happily,不可写为happyly
easy → easily,不可写为easly
heavy → heavily,不可写为heavly
记忆技巧:辅音+y结尾,先换y为i,再加-ly
形容词变副词 - 特殊结尾变形详解
le结尾形容词,去e后直接加-y,而非加-ly
gentle → gently,possible → possibly,均遵循此规则
ic结尾形容词,需加-ally,不是直接加-ly
basic → basically,historic → historically,注意双写l
这类特殊结尾变形数量少,逐个熟记即可掌握
形容词变副词 - 不规则特殊变形
少数形容词变副词为不规则变化,无固定规则
是核心易错点,需单独记忆,不可套用常规规则
good → well,这是最常考的不规则变形
true → truly,去e加-ly,特殊拼写需注意
late → late,形副同形,词性根据语境判断
副词的核心用法 - 修饰动词
副词修饰动词时,多放在动词之后,表动作的方式
这是副词最主要的用法,描述动作如何发生
He runs quickly. quickly修饰run,表跑步的速度
She sings beautifully. beautifully修饰sing,表唱歌的状态
They work hard. hard修饰work,表工作的态度
副词修饰动词,能让动作的描述更具体生动
副词的核心用法 - 修饰形容词/其他副词
副词修饰形容词时,放在形容词之前,表程度
She is extremely happy. extremely修饰happy,表开心的程度
It is quite cold today. quite修饰cold,表冷的程度
副词修饰其他副词时,也放在其前,表程度
He finished the work very carefully. very修饰carefully
She runs too fast. too修饰fast
此类用法中,多使用程度副词,如very、quite、too等
形容词变副词 - 高频易错点
辅音+y结尾直接加-ly,如happy→happyly(错)
le结尾加-ly,如gentle→gentley(错)
ic结尾直接加-ly,如basic→basicly(错)
混淆good和well的用法,如He is well.(表身体好除外)
形副同形词判断错误,如late作副词时误用lately
形容词变副词 - 基础小练(填空)
1.She writes ____________ (careful) in her class.
2.The children laugh ____________ (happy) in the playground.
3.It snows ____________ (heavy) in winter in the north.
4.He speaks ____________ (loud) so everyone can hear him.
5.We should act ____________ (quick) in an emergency.
carefully
happily
heavily
loudly
quickly
二、并列连词 - 核心概念与作用
并列连词用来连接两个或多个并列的成分
可连接单词、短语,也可连接完整的句子
核心作用是体现并列成分之间的逻辑关系
本单元重点掌握and、but、or三个基础并列连词
不同连词代表不同逻辑,需根据句意选择使用
并列连词and - 用法详解
and表并列/顺承关系,意为“和、并且、然后”
连接并列的人、事物、动作,表两者兼具或先后发生
连接单词:I like bread and milk for breakfast.
连接短语:We like reading and listening to music.
连接句子:He got up early and he caught the early bus.
and多用于肯定句中,表并列关系是最基础用法
并列连词or - 用法详解
or主要表选择/转折关系,有两种核心含义
表选择:意为“或者”,提供两种或多种选择
Do you want to go by bus or by bike? / Would you like tea or coffee?
表转折:意为“否则”,用于祈使句后,表警告或提醒
Hurry up or you’ll miss the bus.
Be careful or you’ll hurt yourself.
并列连词 - 高频易错点辨析
and和or的句式使用差异:and用于肯定句,否定句表并列用or
I like apples and pears.(肯定句)
I don’t like apples or pears.(否定句,不可用and)
or的双重含义混淆:疑问句中表选择,祈使句后表否则
What do you want, juice or water?(选择)
Study hard or you’ll fall behind.(否则)
并列连词 - 基础小练(填and/but/or)
1.I like playing football ________ playing tennis.
2.He is very rich ________ he lives a simple life.
3.Do you want to watch TV ________ read a book tonight?
4.The sky is blue ________ the air is fresh today.
5.Keep trying ________ you will never succeed.
and
but
or
and
or
形容词变副词 & 并列连词 - 综合小练1(填空)
1.He drives ________ (slow) _____________ he is afraid of accidents.
2.She sings ___________ (beautiful) ________ everyone likes her songs.
3.The bag is light ________ small, ________ it is very useful.
4.Please think ________ (careful) _____________ you answer the question.
5.He works ________ (hard) ________ he still can’t get good grades.
slowly
because/and
beautifully
and
and
but
carefully
before/and
hard
but
形容词变副词 & 并列连词 - 综合小练2(单项选择)
1.She dances ________ and she wants to be a dancer.
A. beautiful B. beautifully C. happy D. quickly
2.I like cats ________ I don’t like dogs.
A. and B. but C. or D. so
3.Please speak ________, I can’t hear you clearly.
A. loud B. loudly C. quiet D. quietly
4.You can go to the park ________ the zoo this Sunday.
A. and B. but C. or D. with
5.He is ________ tired ________ he can’t walk any more.
A. too; and B. very; but C. so; and D. quite; but
B
B
B
C
D
形容词变副词 & 并列连词 - 小练3(完成句子)
1.他仔细地听老师讲课。He listens to the teacher ________.
2.我喜欢游泳和跑步。I like swimming ________ running.
3.她英语说得很流利,并且能和外国人交流。
She speaks English ________ ________ she can talk with foreigners.
4.快点,否则你会错过早班车。
Hurry up, ________ you’ll miss the early bus.
5.这本书很有趣但是有点难。
This book is very interesting ________ a little difficult.
and
fluently
and
or
but
carefully
形容词变副词 - 拓展小练(判断改错)
判断下列单词变形是否正确,错误的请改正
1.easy → easly ________ 2.good → well ________
3.gentle → gentley ________ 4.quick → quickly ________ 5.angry → angryly ________ 6.true → truly ________
7.basic → basicly ________ 8.clear → clearly ________
错→easily
对
错→gently
对
错→angrily
对
错→basically
对
并列连词 - 拓展小练(句式转换)
1.I like rice. I like noodles.(用and合并)
2.He is tall. He can’t play basketball.(用but合并)
3.Do you want Coke? Do you want Sprite?(用or合并)
4.I like apples and bananas.(改为否定句)
5.Hurry up. You’ll be late.(用or合并)
I like rice and noodles.
He is tall but he can’t play basketball.
Do you want Coke or Sprite?
I don’t like apples or bananas.
Hurry up or you’ll be late.
形容词变副词 & 并列连词 - 提升小练(语篇填空)
根据短文内容,用所给词的适当形式或合适连词填空
My brother is a good student. He studies ________ (hard) ________ he always gets good grades. He reads ________ (careful) every morning ________ he has a good habit of reading. He is kind ________ helpful, ________ he has many friends. He can play the piano __________ (beautiful) ________ he often plays it at school parties.
hard
and
carefully
and
and
so
beautifully
and
形容词变副词 & 并列连词 - 挑战小练(选词填空)
从方框中选择合适的词填空,每词可重复使用
(careful, happily, quickly, and, but, or, beautifully)
1.The children played ________ in the park ________ they didn’t want to leave.
2.You must act ________ ________ you’ll lose the chance.
3.She draws ________ ________ her pictures are very popular.
4.He ran ________ ________ he still missed the train.
5.Please listen ________ ________ you can understand the teacher well.
happily
and
quickly
or
beautifully
and
quickly
but
carefully
and
形容词变副词 - 核心知识点总结
形容词变副词多加-ly,不同结尾有不同变形规则
辅音+y结尾变y为i加-ly,le结尾去e加-y,ic结尾加-ally
少数不规则变形需单独记,good→well是核心考点
副词可修饰动词、形容词、其他副词,位置各有规律
修饰动词放其后,修饰形容词/副词放其前
并列连词and/but/or - 核心知识点总结
and表并列/顺承,用于肯定句连接并列成分
but表转折,连接语义相反或相对的成分
or表选择(疑问句)或否则(祈使句后),否定句表并列用or
三个连词均可连接单词、短语和完整句子
核心是根据前后成分的逻辑关系选择合适的连词
两大语法 - 综合运用技巧
做形容词变副词题:先看形容词结尾类型,再套用对应变形规则
做连词题:先分析前后成分的逻辑关系,并列用and,转折用but
判断副词用法:先找被修饰的成分,动词/形容词/副词用副词修饰
否定句中表并列,直接将and换为or,无需其他变化
语篇填空中,先通读全文,再结合语境判断语法点和逻辑关系
语法学习 - 实用小贴士
分类记忆形容词变副词规则,按结尾类型整理成表,方便复习
结合例句记忆连词用法,通过语境理解不同的逻辑关系
建立错题本,标注易混的变形和连词用法,反复巩固
尝试用所学语法写简单的小短文,描述动作或表达观点
阅读时关注文中的副词用法和连词使用,积累语境经验
语法拓展 - 形副同形的单词
部分单词形容词和副词形式相同,需根据语境判断词性
late(形:迟的;副:迟地):He is late. / He comes late.
fast(形:快的;副:快地):a fast car / run fast
hard(形:硬的;努力的;副:努力地):hard work / work hard
early(形:早的;副:早地):an early morning / get up early
这些词无需加-ly,直接作副词使用,是高频考点
语法拓展 - 其他常见并列连词
so:表因果,意为“所以”,He is ill so he can’t come to school.
for:表原因,意为“因为”,He didn’t go out for it was raining.
both...and...:表“两者都”,Both you and I are students.
either...or...:表“要么……要么……”,Either you or he is right.
教学课件
Unit 12 语法专项—— 形容词变副词 & 并列连词and/but/or
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