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1、初中英语语法梳理和提高动 词 不 定 式不定式：to + 动词原形知识梳理：提纲挈领，抓住重点和难点！动词不定式的基本形式是“to + 动词原形”，有时可以不带to。动词不定式（或不定式短语）没有人称和数的变化，在句子中不能作谓语。动词不定式仍可保留动词的特点，即可以有自己的宾语和状语。动词不定式同它的宾语或状语构成不定式短语。如：to read the newspaper, to speak at the meeting 等动词不定式具有名词、形容词和副词的特征，因此在句子中可以作主语、表语、宾语、宾语补足语、定语和状语： 句法作用 例 句 作宾语She wanted to borrowed
2、 my radio.They began to read and write. 作状语She went to see her grandma last Sunday .He came to give us a talk yesterday.作宾语补足语Lucy asked him to turn off the radio.She asked me to speak more loudlyJim told Ling Feng to go home at once .The father made his son study hard. 作定语Have you got anything to s
3、ay?I had something to eat this morning .作主语To learn a foreign language is not easy.注：作主语用的动词不定式常常为it替代，动词不定式（或短语）放在后面。例如： It is not easy to learn a foreign language. It took us three days to do the work.动词不定式的否定形式由“not+动词不定式”构成. 如:Tell him not to be late.The policeman told the boys not to play in th
4、e street.4) 不定式省去to的情况: 在感官动词see，watch，look at，hear， listen to，feel和使役动词make，have，let等所接的宾语中（不定式做宾语不足语），不定式应省去to。但是在被动语态中不能省。如：Let me listen to you sing the song.He watched his son play computer games.I saw him run away.-He was seen to run away.The boss make the workers work the whole night.-The wor
5、kers were made to work the whole night.5) 动词不定式和疑问词连用 动词不定式可以和疑问词what ,which, how, where, when 等连用，构成不定式短语。如： The question is when to start. I dont know where to go . He showed me how to use a computer. What to do is a big problem.例题解析：举一反三，学的更轻松！翻译下列句子，说出句中不定式的作用：1. To grow plants is very important
6、.2. It is so nice to hear your voice.3. My dream is to be a pilot.4. He began to read and write at the age of five.5. The teacher asked me to speak more loudly.6. Tom came to see me last night.7. I am glad to see you.8.Have you got anything to say?9.There are many places to see in China.10.I asked h
7、im not to open the window.11. I dont know what to buy for you.12. I saw him dance.13. He often helps me clean the room.14. They are too shy to speak English.15. He was lucky enough to find his watch.16. I want you to go there together with me.解析：1、To grow plants做主语；2、to hear your voice做主语；3、to be a
8、pilot作表语；4、to read and write作宾语；5、to speak more loudly作宾语补足语；6、to see me作状语；7、to see you作状语；8、to say作定语；9、to see作定语；10、not to open the window作宾语补足语；11、what to buy作宾语；12、dance作宾语补足语（省略to）；13、clean the room作宾语补足语（省略to）；14、to speak English作状语；15、to find his watch作状语；16、to go there together with me作宾语补足
9、语。练习与巩固：熟能生巧，取得好成绩！选择最佳答案填空：1. Tell him _ the light. A. to turn B. not to turn on C. to not turn D. not to turn2. It took us more than two hours _ the dinner. A. prepare B. preparing C. to prepare D. to be prepared3. We felt the earth _. A. move B. moveing C. to move D. be moved4. The students were
10、made _ the text ten times. A. read B. reading C. to read D. to be read5. The chair looks rather hard _, but in fact it is very comfortable. A. to sit B. to sit on C. sitting D. sit6. Nobody knows _next. A. what to do B. to do what C. which to do D. how to do7. It is very important _ us _these words.
11、 A. to, to remember B. for, to remember C. for, remember D. for, remembering8. _ English well, one must have a lot practice. A. For speaking B. Speaking C. To speak D. Speak9. Im going to the library _ the books. A. return B. borrow C. to return D. to lend10. We went to town _ some shopping. A. doin
12、g B. did C. to make D. to do11. The funny story _ me laugh. A. make B. making C. to make D. made12. After the final exam, I think all the students want _. A. stop to have a rest B. to stop having a rest C. to stop to have a rest D. stopping to have a rest13. It is very kind _ you to help me with my
13、housework. It is hard _me to do all the work. A. of, for B. for, of C. of, to D. to, for14. Many people think it very difficult _ English. A. to say B. to learn C. speak D. for speaking15. The teacher asked the students _ her _ the word again. A. listen to; to read B. to hear; say C. to listen to; s
14、peak D. to listen to; pronounce16.Remember _ the book here tomorrow. A. bring B. to bring C. take D. to take17. -Lets have a rest, shall we? - Not now. I dont want to stop _ the letter yet. A. write B. to write C. writing D. and write18. -This physics problem is too difficult. Can you show me _, Wang Lin? - Sure. A. what to work it out B. what to work out it C. how to work it out D. how to work out it19.- How c
