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1、    动词不定式用法 动词不定式没有人称和数的变化,在句中不能独立作谓语。但动词不定式具有名词、形容词和副词特征,在句中可以作主语、宾语、宾语补足语、定语、表语和状语等多种成分。另外,动词不定式具有动词特点,可以有自己的宾语和状语,组成动词不定式短语。动词不定式的肯定形式是todo;其否定形式是not todo。 下面以动词不定式在句中的作用来予以详细说明。 1作主语 可以直接作主语。如: To see is to believe 但在英语中,常用it作形式主语,真正的主语即动词不定式放在后面。如: It's wrong to play tricks o

2、n other people It's our duty to keep our environment clean and tidy 点击规律:动词不定式在句中作主语时,常放在It is adj(形容词)to do sth或 It is n(名词)to do sth句型中,it仅作形式主语。 2作宾语 awant,decide ,agree等动词后面跟并且只能跟不定式。如: We agreed to start early She wants to be a doctor blove,like ,begin,start,hate ,prefer等词后面可以接不定式。 点击规律:上述动

3、词后面除接不定式外,还可以接动名词,意思无很大区别。 提示板:like doing指经常性动作,而like to do指一次性的动作。如: I like swimming,but I don't like to swim now我喜欢游泳,但我现在不想游。 cstop,forget,remember,go on ,try等词或短语后面可以接不定式。 点击规律:上述动词后面接不定式和接动名词意思大不相同。 提示板: 1)stop to do sth:停止一件事,去做另一件事。 stop doing sth:停止正在做的事。 例句:When the teacher came in,the

4、students stopped talking;when he came out,the students stopped to talk 当老师走进来时,学生们停止说话;当老师走出去时,学生们又开始说话。 2)思考:forget,remember,go on,try等词或短语后面接不定式和动名词用法有何区别? d在findfeelitadjto do sth句型中,it是形式宾语,真正的宾语是后面的动词不定式。如: The man downstairs found it difficult to get to sleep I feel it easy to recite the text

5、点击规律:某些动词或短语后面既可以接动词不定式作宾语,又可接动名词作宾语,二者用法上的区别可以通过造句子加以区分,如上面stop例句。 3作宾语补足语 atell,ask,want,order,teach,invite,warn,wish,help,get,wish,help等词后面常接不定式作宾补。如: I tell him not to go there by bus Edison's mother taught him to read and write blet,make,have,see,hear,feel,watch, notice后面接不带to的不定式作宾补。如: The

6、 boss makes them work 16 hours a day I heard her sing in the next room 提示板:若变成被动语态,在上述结构中,不定式符号to要加上。如: They are made to work 16 hours a day by the boss She was heard to sing in the next room 4作定语:放在被修饰的名词、代词后面 例句:I have a lot of work to do The doctor said he could do nothing to help the boy 点击规律:动词

7、不定式若在句中作定语,常放在被修饰的名词、代词之后。 提示板:如果动词不定式和前面所修饰的词构成动宾关系,若动词是不及物动词,切记不要忘掉介词。如: I have a small bedroom to live in Have you got some pens to write with? 5表语:放在连系动词be后面 例句:His wish is to become a scientist The first important thing is to save the soldiers' lives 当务之急是抢救战士们的生命。 点击规律:动词不定式在句中作表语时,通常对连系动词

8、前面的名词进行诠释说明。 6作状语 a目的状语:放在go,come,use,live,in order等词后面。如: I come to see you He runs fast in order to get there in time b原因状语:放在sorry,glad,surprised, disappointed,excited等词后面。如: I am glad to see you here I am sorry to trouble you c作结果状语。如: Some of the apples are hard to reach The room is large enoug

9、h to hold 1000 people 7与what,who,whose,when,where, how等疑问词连用,作宾语、宾语补足语、主语等。 如: I don't know what to do next(宾语) He taught us how to use the computer(宾语补足语) It's still a question how to get there(主语)    【模拟试题】(答题时间:30分钟)    一. 选择填空:    1. He asked me _

10、here earlier.    A. come         B. to come             C. coming             D. came    2. Please tell him _

11、on the wall.    A. dont draw        B. to not draw        C. not to draw              D. not draw    3. He wanted _ a cup of tea. 

12、   A. to have              B. having        C. have          D. had    4. Id like _ a word with you.    A. had 

13、;           B. having        C. to have              D. have    5. I came here _ my uncle.    A. saw   &#

14、160;       B. to see         C. seeing        D. to be seen    6. The man refused (拒绝)_ back his words.    A. to take        

15、      B. taking         C. took           D. takes    7. I can let you _ one ticket.    A. to have         

16、60;    B. have           C. having        D. had    8. We often heard him _ in his room.    A. to sing           &#

17、160;  B. sings          C. sang          D. sing    9. He was made _ day and night.    A. work         B. working   

18、0;        C. to work             D. worked    10. He stopped _ a look, but saw nothing.    A. having        B. to have   

19、0;          C. have          D. had    11. My father was too angry _ a word.    A. to say        B. not to say      

20、;    C. to saying           D. didnt say    12. My brother was old enough _ to school.    A. went          B. goes       

21、0;   C. going         D. to go    13. It is time _ him _ supper.    A. of, to have         B. for, to have        C. of, having   

22、       D. for, to has    14. Its very kind _ you _ me.    A. of, to help         B. for, to help         C. of, help       &#

23、160;     D. of, helping    15. Its important _ our classroom clean every day.    A. kept           B. to keep              C. to give&#

24、160;             D. keep    16. Before liberation (解放)they had no chance _ to school.    A. went          B. go         

25、     C. to go          D. to be gone    17. He said he had an important meeting _.    A. attend        B. would attend        

26、0;    C. attending           D. to attend    18. Please give me a piece of paper _.    A. to write             B. to write on   &#

27、160;     C. writing              D. to write it    19. I dont know _.    A. what do            B. what will do   &#

28、160;          C. what to do         D. do what    20. Your radio needs _.    A. to be repaired     B. to repair        &

29、#160;   C. repaired             D. to repairing    21. My wish is _ a teacher.    A. becoming          B. to become      

30、0;  C. become             D. became    22. I want _ him a letter now.    A. to write             B. not write      

31、     C. write          D. wrote    23. It took us three days _ the trees.    A. plant          B. planted         &

32、#160;    C. to plant             D. plants    24. Why not _ here _ me?    A. to come, to see      B. come, to see       C. came, seeing 

33、;      D. come, see    25. He wishes me _ my best _ hard at English.    A. to do, to work      B. doing, working      C. to do, working     D. do, work 

34、60;  26. 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. where finding, telling 

35、;   27. How happy they are _ each other again!    A. to see         B. see             C. saw           D. being seen &#

36、160;  28. They decided (决心)_ a letter _ their thanks.    A. to write, expressing(表达)    B. writing, express    C. write, expressed    D. to write, to express    29. The officer ordered (命令)him _ down _ a rest.  

37、;  A. lying, have    B. to lie, to have     C. to lie, having     D. lie, had    30. The headmaster called on (号召)us _ hard for our country.    A. to work        

38、60;    B. worked             C. work         D. to working    二. 根据上句意思完成下句,使两句意思相近或相同,每空一词。    1. He was so angry that he couldnt say anything.  

39、;     He was too angry _ _ anything.    2. I dont know when we will have the meeting.       I dont know when _ _ the meeting.    3. He said he would write a letter.       He said he would have a

40、letter _ _.    4. That you read English in the morning is very important.       It is very important _ you _ _ English in the morning.    5. He was so strong that he could lift the stone. (石头)       He was stro

41、ng _ _ _ the stone.    6. His father went to Beijing for his holiday.       His father went to Beijing _ _ his holiday.    7. They got up early so that they could get there in time.       They got up early _ _ _ _ t

42、here in time.    8. His brother decided that he would buy the book.       His brother decided _ _ the book.    9. He hopes that he can visit the Great Wall.       He hopes _ _ the Great Wall.    10.I saw h

43、im go into the room.       He was seen _ _ into the room.    11.We made him work five hours a day.       He was made _ _ five hours a day.    12.Do you want to say anything for yourself?    

44、   Do you have anything _ _ for yourself?    13.We dont know what we shall do next.       We dont know what _ _ next.    14.Im very sorry on hearing the bad news.       Im very sorry _ _ the bad news.    15.He stopped and had a look at me.       He stopped _ _

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