必修四_unit2_grammar_现在分词的用法.

1、Grammar文理附中文理附中 孟庆菊孟庆菊Have you ever seen these signs?parking, spitting, littering, smoking-ing forms现在分词与动名词的基本现在分词与动名词的基本形式你知道吗？形式你知道吗？那么简单，谁不知道。是由动那么简单，谁不知道。是由动词末尾加词末尾加 -ing 形式构成，因此形式构成，因此又叫动词的又叫动词的 -ing 形式形式。V+-ing千万要注意千万要注意V-ingV-ing形式的规则哟！形式的规则哟！不能单独作谓语，没有人称和数的变化，可以有自己的宾语和状语。还有时态和语态的变化。动词的动词的-i

2、ng 形式包括形式包括现在分词现在分词和和动名词动名词在句中可以做：在句中可以做： 主语主语，表语，表语，宾语宾语，补，补语，定语和状语语，定语和状语Having sports is good for our health. V-ing 做主语做主语 表示表示经常的、习惯性的经常的、习惯性的动作或状态动作或状态, 谓语动词通常用单数。谓语动词通常用单数。如：如： 1）Walking is a good form of exercise for both young and old. 2）Watching news on TV has become a routine for me. 3）Goi

3、ng to Hangzhou by train takes about 16 hours. 4）Asking a womans age is impolite in our country. 归纳归纳: . -ing形式作主语时常后置形式作主语时常后置, 此时须此时须用用it作形式主语作形式主语, 用形容词或名词作表语。用形容词或名词作表语。 常用常用-ing形式作主语的句型有：形式作主语的句型有： It +be +a waste of time doing 做做是浪费时间的是浪费时间的 It is/was no good/use doing 做做是没用处的是没用处的 It is/was ha

4、rdly/scarcely worth doing 做做不值得不值得 It is/was worth/worthwhile doing 做做是值得的是值得的 There is no doing 无法无法; 不允许不允许Playing computer games is no good.=Its no good playing computer games.Reading while lying on sofa is not good. Its no good reading while lying on sofa .-Her full-time job is laying eggs.=Layi

5、ng eggs is her full-time job.-What is the hens full-time job?When she heard the bad news, she couldnt help crying.V-ing 做宾语做宾语 We should often practise _(speak) English every day. He devoted his life to _(study) automic theory. He hopes _ (find) a job soon. Miss the bus means _(wait) for another two

6、 hours. The bike needs _(repair)speakingdevotingto findwaitingrepairing/to be repaired1.只接只接v-ing作宾语的常见动词作宾语的常见动词avoid, miss, put off; advise, finish, practise; enjoy, imagine, cant help; admit, deny, envy; escape, risk, excuse; stand, keep, mind.太多了，怎么记呀？太多了，怎么记呀太多了，怎么记呀？避免错过避免错过(少少)延期延期; 建议完成多练习建议

7、完成多练习;喜欢想象禁不住喜欢想象禁不住; 承认否认与妒忌承认否认与妒忌;逃避冒险莫原谅逃避冒险莫原谅; 忍受保持忍受保持(不不)介意介意.2. 只接只接v-ing作宾语的常见动词短语作宾语的常见动词短语insist on, object to, be good at, lead to, put off, give up, feel like, look forward to, devote to, be worth, devote to, get used to,pay attention to太多了，怎么记呀？ 3. 动词动词forget, go on, mean, regret, rem

8、ember, stop, try, be used to, cant help后跟后跟动名词动名词和跟和跟不定式不定式区别较大，须区别较大，须注意。注意。 forget, regret, remember后跟动名词，后跟动名词，动名词表示已经发生的动作；后跟不定式动名词表示已经发生的动作；后跟不定式表示将要发生的动作表示将要发生的动作。 go on doing 继续做原来做的事继续做原来做的事go on to do 接着做另一件事接着做另一件事 mean doing 意味着要做某事意味着要做某事mean to do 想要做某事想要做某事 stop doing 停止做某事停止做某事stop to

9、 do 停下来（别的事）停下来（别的事）try doing 试着做某事试着做某事try to do 努力做某事努力做某事be used to doing 习惯于做某事习惯于做某事 be used to do 被用来做某事被用来做某事cant help doing 禁不住做某事禁不住做某事cant help to do 不能帮助做某事不能帮助做某事 4. need/want/require/deserve doing sth.=need/want/require/deserve to be done.Eg. My hair needs cutting. My hair needs to be c

10、ut.请将下列动词进行分类: agree, admit, begin, go on, ask, avoid, start, mean, demand, consider, continue, regret, fail, deny, remember, hesitate, feel like, stop, hope, finish, try, manage, imagine, refuse, miss, want, risk, suggest, wish.只接不定式做宾语只接不定式做宾语;只接动名词做宾语只接动名词做宾语;既可接不定式又可接动名词做宾语既可接不定式又可接动名词做宾语,意思也没有什

11、么改变意思也没有什么改变.既可接不定式又可接动名词做宾语既可接不定式又可接动名词做宾语,意思有很大的变化意思有很大的变化;I heard the couples _ in the next room. (sing)singingWe can watch the train passing by every day.The train is passing by. We can watch the train. Combine the two sentences by using “v-ing”.1. It took the workmen only two hours to finish _

12、my car. A. repairing B. repair C. to repair D. repairedExercise2. 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; bringing3. The classroom wants _. A. clean B. cleaned C. to clean D.

13、cleaning4. Jack said that he wouldnt mind _ for us. A. to wait B. wait C. waiting D. waited5. My brother keeps _ me with my work. A. to help B. help C. helping D. helped6. We should often practise _ English with each other. A. to speak B. spoke C. speak D. speaking7. Keep on _ and you will succeed.

14、A. a try B. try C. triing D. trying8. His parents insist on _ to college. A. he should go B. he go C. his going D. him to go9. The story was so funny that we _. A. couldnt help laugh B. cant but laugh C. couldnt help laughing D. couldnt help but to laugh10. Though it sounds a bit too dear (昂昂贵贵), it

15、 is worth _. A. being bought B. buying C. to buy D. buying it11. He devoted his life to _ the atomic theory. A. study B. be studied C. studying D. have studied12. We are both looking forward to _ next week. A. going on vocation(休假休假) B. go on vocation C. be going on vocation D. have gone on vocation

16、Homework卷子剩余的语法练习Thank you!13. You must pay attention to _ the works of Lu Xun. A. read B. reading C. reader D. be read14. You should work tonight instead of _ TV. A. to watch B. you watching C. you watch D. watching15. The microscope is used for_ minute (微小的微小的) objects. A. examining B. being exami

17、ned C. examined D. examine16. Mike has got used _ up late at night. (stay up) A. to sit B. X C. to sitting D. sitting17. Once the heart stops _, death follows at once. A. beating B. to beat C. being beaten D. to be beating18. We are now busy _ for the examination. A. to prepare B. preparing C. prepa

18、red D. being prepared19. I remembered _ this person somewhere before. A. seeing B. having been seen C. seen D. to see20. I regret _ that to her. A. having said B. to have said C. to say D. X23. _ provides us with essential nutrients (营养营养), while _ provides us with oxygen. A. To eat; breathing B. Ea

19、ting; to breathe C. Eating; breathing D. Eaten; breathed24. He attended the party without_. A. invited B. inviting C. having invited D. being invited25. By _, water can be changed into gas. A. heating B. being heated C. having heated D. heated26. On land many objects prevent sound _ very far. A. to

20、travel B. travel C. from travelling D. to travelling27. She returned home only to find the door open and something_ . A. missed B. to be missing C. missing D. to be missed 28. Remember_ the newspaper when you have finished it. A. putting back B. put back C. to put back D. be put back 29. Writing sto

21、ries and articles_ what I enjoy most. A. is B. are C. was D. were 30. He was afraid _for being late. A. of seeing B. of being seen C. to be seen D. to have seen 1. What made you so upset? _ two tickets to the pop music concert. A. Losing B. Because of losing C. To lose D. Because I had lost 2. I can

22、t imagine _ that with them A. do B. to do C. being done D. doing A考考你考考你D 3. He got well-prepared for the job interview, for he couldnt risk _ the good opportunity. A. to lose B. losing C. to be lost D. being lost 4. _ is forbidden inside the park. A. To cycle B. We cycle C. Anyone cycles D. Cycling BD5. I cant stand _ with Jane in the same office. She just refuses _ talking while she works. A. working; stopping B. to work; stopping C. working; to stop D. to