课件40张PPT。Book4 Unit 2 Learning about language
Period 2 Grammar:
Verb-ing Form as Subject and Object
动词-ing形式作主语和宾语
1.什么是主语(subject)?
什么是宾语(object)?
2.什么词可作主语?
什么词可作宾语?
RevisionHe likes his cat. His cat likes him.小结:主语和宾语一般为名词或者代词。主语宾语代词名词主语宾语名词代词探究发现:Which are correct?
我喜欢阅读。
I like read.
I like reading.
阅读是我的兴趣。
Read is my interest.
Reading is my interest.3.动词能否做主语? 动词能否做宾语?
动词不能做主语或宾语。
V-ing形式能做主语或者宾语。小结I.v-ing作主语
II. v-ing 作宾语I. V-ing form as subject动词的ing形式作主语1. is their hobby.(跳舞)Dancing2. is the best way to lose weight.(做运动)Doing exercise 3. is his dream. (像鸟一样飞)Flying like a bird What’s in common?Dancing is their hobby.
Doing exercise is a good way to lose weight.
Flying like a bird is his dream.小结:1. 作主语。
2. 谓语动词用 。动词-ing单数V-ing 作主语,总放在句首吗?1) V-ing做主语直接位于句首Learning new words is very important.
学习新单词非常重要。
Talking mends no holes.空谈无补2)用形式主语it,把真正的主语ing形式移置句尾。
常用于下列句型中:
It is no use/good doing sth 做……是没有用处/好处的
It is/was worthwhile doing 做……是值得的
It +is/was +a waste of time doing 做……是浪费时间的
It is pleasant/useless doing…做……是有乐趣/无用的
It is no use (求救) asking for helpIt is no use/good doing sth 做……是没有用处/好处的①It is/was worthwhile doing 做……是值得的It is worthwhile
.
(这部电影是值得看的)seeing the movie②It +is/was +a waste of time doing 做……是浪费时间的It is a waste of time _____________________.
(玩电脑游戏)playing computer games③It is pleasant/useless doing…做……是有乐趣/无用的④ It is pleasant with friends.(玩) playingIt is no use asking for help.
It is worthwhile seeing the movie.
It is a waste of time playing computer games.
It is pleasant playing with friends.
II. V-ing as object
动词的ing形式作宾语The wolf always dreams of _______________ (捉)sheep.dream of catchingMy sister enjoys
_________ (站)alone
on the seashore. standing小结:1.V-ing作一些由“动词+介词构成的动词短语”的宾语
2.V-ing作一些及物动词的宾语1.The wolf always dreams of catching sheep.
2.My sister enjoys standing on the seashore
1.V-ing作 动词+介词 构成的短语的宾语
后面常接动词 –ing 形式作宾语的常用动词短语有:be fond of
spend…(in )
be busy (in)
dream of
be worth
have difficulty (in)
(1)喜欢 ,
(2)花(时间、金钱)做……
(3)忙于做……
(4)梦想, 梦见
(5)值得….
(6)在……有困难
2. v-ing作及物动词的宾语
(1)有些动词后只能接动名词作宾语,常用的有:
避免错过少延期avoid, miss, postpone
建议完成多练习advise/suggest, finish ,practice
喜欢想象禁不住enjoy, imagine, can’t help
承认否定与嫉妒admit, deny, envy
逃避冒险莫原谅escape, risk, excuse
忍受保持不介意 stand, keep, mind
Translate the following sentences into Chinese.
1. Can you imagine living alone on an island?
你能想象单独生活在一个岛上么?
2.I suggest bringing the meeting to an end.
我建议结束会议。
3. He admitted taking the money.
他承认钱是他拿的。
即时训练(2).有些动词或短语动词后
可接动名词又可接不定式 ,但意义不同。I like to run now.(现在想跑)
I like running.(一向喜欢)
remember doing 记得做过某事
remember to do 记得去做某事【即时训练】 1.— Let's have a rest.
— Not now.I don't want to stop ________ yet.
A. study????????? B. to study
C. for studying??? D. studying
2.— Let me tell you something about the journalists.
— Don’t you remember ________ me the story yesterday?
A. told?????? B. telling
C. to tell?? D. to have told
It is time for practicing!
1. In some parts of London,missing a bus means _______for another hour.
A. waiting B.to wait
C.wait D.to be waiting巩固练习2.One learns a language by making mistakes and _______them.
A.correct B.correcting
C.correct D.to correct
3.Mr. Reed made up his mind to devote all he had to _______some schools for poor children.
A.set up B.setting up
C.have set up D.having set up4. Keep on ____ and you will succeed.
A. a try B. try
C. tried D. trying5. It took the workmen only two hours to finish _______ my car. A. repairing B. repair C. to repair D. repaired6. Have you forgotten __$1000 from me last month? Will you please remember ___ it tomorrow?
A. borrowing; to bring
B. to borrow; bring
C. borrowed; bringing
D. borrowing; bringing7. She is very busy ____ her papers. She is far too busy ____ callers.
A. to write ;to receive
B. writing ;to receive
C. writing ;receiving
D. to write ;for receiving8. Once the heart stops _____, death follows at once.
beating B. to beat
C. being beaten D. to be beating
9. Jack said that he wouldn't mind __ for us.
A. to wait B. wait
C. waiting D. waited
10. We are now busy _____ for the examination. A. to prepare B. preparing C. prepared D. being preparedsuggest 建议
admit建议
finish 完成
enjoy喜欢
consider考虑
avoid避免
mind 介意
practice练习
be fond of 喜欢
spend…(in ) 花(时间、金钱)做……
be busy (in) 忙于做……
dream of 梦想, 梦见
be worth 值得….
look forward to 期望、盼望
have difficulty in 在……有困难
prevent…from 阻止……做某事
devote…to 献身于/致力于……Make sentences to talk about one of your classmates, using the verbs and phrases.Homework