初二上語(yǔ)法動(dòng)詞不定式

1、 The Infinitive 基本形式 用法 一、基本形式 to do sth. 肯定 否定 not to do sth. 1. I want to know him. 迅速找出下列句子中包含的動(dòng)詞不定式：迅速找出下列句子中包含的動(dòng)詞不定式： 2. She hopes to write a book. 3. He asked me not to stay here. 4. My father told me not to be late for school. 二、用法： 1、作主語(yǔ) 動(dòng)詞不定式作主語(yǔ)常采用 it 作形式主語(yǔ)，不定式后置的 方式，避免頭重腳輕。 e.g. 1) 在陽(yáng)光下讀書不

2、好。 To read in the sun is bad. 主語(yǔ)頭太大 It Its bad to read in the sun . 1. To learn English well is very important. 把下列句子改編成把下列句子改編成 it 作形式主語(yǔ)： 作形式主語(yǔ)： It is very important to learn English well. 2. To stop the killing is hard. It is hard to stop the killing. 3. To think about all those animals in danger

3、is sad. It is sad to think about all those animals in danger. 補(bǔ)充： 含有不定式的句式： It + be + adj. + for sb. + to do sth. “ 對(duì)某人來(lái)說(shuō)做某事很” 這樣的形容詞有: easy, hard, difficult, important, interesting, necessary, impossible等。 e.g. (1) It was difficult for him _ (finish) the homework on time. (2) 對(duì)我來(lái)講回答這個(gè)問(wèn)題太簡(jiǎn)單了。 It is

4、_ for me _ this question. easy to answer to finish ( ) 1. Its not easy _. A. to learn swim B. to learn to swim C. learn to swim D. learning to swimming B 走近中考： 2、作賓語(yǔ) 不定式用在及物動(dòng)詞后作賓語(yǔ) 常見及物動(dòng)詞有： want to do sth. hope to do sth. like to do sth. begin to do sth. try to do sth. need to do sth. forget to do st

5、h. agree to do sth. learn to do sth. e.g. I want to see you. ( ) 1. He wanted _ a new job. A. to find B. find C. found D. finding A 走近中考： 3、作表語(yǔ) Her job is to look after babies. e.g. 1) 她的工作是照看嬰兒。 不定式用在be動(dòng)詞或系動(dòng)詞后作表語(yǔ) 2) 他看起來(lái)生氣了。 He seems to be angry. = He seems angry. 4、作后置定語(yǔ) 不定式修飾名詞或代詞，起形容詞作用。 I have

6、a lot of homework to do. e.g. 我有很多作業(yè)要做。 他正在找一個(gè)房間住。 He is looking for a room to live in . ( ) 1. I m hungry. Please bring me_. A. something to eat B. something to drink C. to eat something D. to eat anything A 走近中考： ( ) 2. Ive got _. A. three letters to write with B. three letters to write in C. thre

7、e letters writing D. three letters to write D 5、作狀語(yǔ) 不定式修飾句子或動(dòng)詞，表示目的或原因等。 Im sorry to hear that. I come here to study English. a表原因 b表結(jié)果 1.The Chinese government is working hard to 1) save more animals in danger 2) improve peoples lives 3) make people richer 4) make our country stronger 5) make our c

8、ity more and more beautiful 6、作賓語(yǔ)補(bǔ)足語(yǔ) ask sb.(not) to do sth. tell, teach, allow(允許) e.g. 1) 媽媽告訴我不要遲到。 Mother told me not to be late. 2) 爸爸告訴我要成為一名好學(xué)生。 Father told me to be a good student. ( ) 1. My mother often asks me _ early. A. get up B. got up C. getting up D. to get up D 走近中考：走近中考： ( ) 2. The

9、teacher told me _ late again. A. not be B. not C. not to be D. dont be C 注意注意 A.有些動(dòng)詞后面的不定式不帶to，如 feel（一感）hear,listen to （二聽） make, have, let （三讓） see, watch, notice, observe （四看）. I heard them sing a pop song . The teacher made me answer the question. We watched them play football . 注意 B. 帶疑問(wèn)詞的動(dòng)詞不定式

10、在to 前加疑問(wèn)詞。 1. Mr Lin will teach us how to use the computer. 2. Can you tell me where to get the book? ( ) 1. Its raining. Let me _. A. turn off the windows B. closed the windows C. turn the windows off D. close the windows D 走近中考： ( ) 2. Who can make the child _ crying? A. to stop B. stopping C. sto

11、p D. stopped C ( ) 3.Could you tell me _ this word? A. to how read B. how to read C. how read D. how read to C 1. Its bad to read in the sun . 2. I want to see you. 3. Her job is to look after babies. 4. I have a lot of homework to do. 5. I come here to study English. 6. Mother told me not to be lat

12、e. 動(dòng) 詞 不 定 式 To read in the sun is bad. 主語(yǔ) 賓語(yǔ) 表語(yǔ) 定語(yǔ) 狀語(yǔ) 賓補(bǔ) 一.選擇填空 1. He asked me _ here earlier. A. come B. to come C. coming D. came 2. Please tell him _ on the wall. A. dont draw B. to not draw C. not to draw D. not draw 3. I came here _ my uncle. A. saw B. to see C. seeing D. to be seen 4. We ofte

13、n heard him _ in his room. A. to sing B. sings C. sang D. sing 5. He stopped _ a look, but saw nothing. A. having B. to have C. have D. had 6. Its very kind _ you _ me. A. of, to help B. for, to help C. of, help D. of, helping 7. Before liberation （解放）they had no chance _ to school. A. went B. go C.

14、 to go D. to be gone 8. He said he had an important meeting _. A. attend B. would attend C. attending D. to attend Practis e B C B D B A C D 9. Please give me a piece of paper _. A. to write B. to write on C. writing D. to write it 10. I dont know _. A. what do B. what will do C. what to do D. do wh

15、at 11. My wish is _ a teacher. A. becoming B. to become C. become D. became 12. Why not _ here _ me? A. to come, to see B. come, to see C. came, seeing D. come, see 13. Please tell me _ her. I have something _ her. A. where to find, telling B. where to find, to tell C. where can find, to tell D. whe

16、re finding, telling 14. How happy they are _ each other again! A. to see B. see C. saw D. being seen 15. They decided （決心）_ a letter _ their thanks. A. to write, expressing（表達(dá)） B. writing, express C. write, expressed D. to write, to express B C B B B A D 二二.用所給動(dòng)詞的適當(dāng)形式填空用所給動(dòng)詞的適當(dāng)形式填空 1._ (see) is to b

17、elieve. Its true. 2. My mother wants me _(go) to school on time. 3. We really dont know when _(have) a picnic. 4. The teacher told Mike _ (not be) late again. 5. She asked him _ (open) the window. 6. I have a lot of homework _ (do) every day. 7. He found it easy _ (learn) Japanese. 8. We often heard him _ (sing). 9. His parents often make him _ (do) a lot of exercises. 10. It took her five years _ (finish) her work. 11. It is foolish of you _ do that. 12. He needs a room _(live) in. 13. I have something important _(tell) you.