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河北省中国第二十冶金建设公司综合学校高中分校高中英语人教版选修七导学案:UNIT2 动词不定式TO DO用法与专练 WORD版缺答案.doc

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1、Name Class Designer: Donnay 2018.3.28BOOK7 UNIT2 动词不定式 to do 用法与专练Learning aims: To get the students to review the usage of “to do” and apply it properly. 巧记动词不定式的用法 不定式有标记,to与动原连一起。 没有人称数变化,动词特点它具备。主宾定状表补语,唯独作谓不可以。 not加上不定式,否定结构要牢记。疑问词与不定式,构成短语有意义。 仔细推敲多思考,准确判断有依据。具体用法一、动词不定式的基本形式是(见课本)“不定式符号to+动词原

2、形”,有时可以不带to。例如: tosellflowersinthestreet 在街上卖花tospeakintheclassroom 在教室里讲话二、带疑问词的不定式短语 动词不定式前面可以带疑问代词what, which, who或疑问副词how, when, where, why等。这种结构起名词的作用,在句子里用作宾语、主语、表语等,或者单独使用。要注意的是,why后面的不定式不带to。例如:I dont know what to try next. (作宾语) Where to go is not decided yet.(作主语) 注意:单独使用时相当于一个特殊疑问句。 What

3、to do next?(=What will we / you do next?) Why go there?(=Why do we / you go there?)三、动词不定式的复合结构 动词不定式的复合结构是“for / of sb. to do sth.”,for / of引出不定式动作的逻辑主语。不定式复合结构的介词用for还是of,主要决定于前面形容词的性质。一般说来,of前面的形容词是careful, clever, foolish, good, kind, nice, wise等,既说明人的特性,又说明不定式动作的特性。for前面的形容词是dangerous, difficul

4、t, easy, hard, heavy, important, interesting, necessary等,一般说明不定式动作的特性,不说明人的特性。前面如果是名词用for。 例如:Its also probably a good idea for parents to allow teenagers to study in groups during the evening. Its kind of you to help me.不定式省to有四种情况:1、使役动词let,make,have等后接不定式。 例如: Lethimgo!Thebossmadethechildlaborswo

5、rkthewhole night.2、wouldrather,hadbetter后。例如: Youhadbetterstayathome.3、Why/Whynot后。例如: WhynothaveagoodrestonSunday? 4、感官动词see,watch,lookat,hear,listento,smell,feel,find,notice等后作宾语补足语,省to。例如: Isawhimdance. 注意:这些情况在被动语态中,不可省to.例如:Thechildlaborsweremadetoworkthewholenight.巩固练习: ( )1、He read the instru

6、ction to find out how _ the computer. A. use B. to use C. using D. uses ( )2、There are some dangerous fishes in this river, and Ive warned Jack _here. A. not to swim B .to not swim C. swim not to D. to swim not ( )3、The article said that he hoped _ drawing the picture soon. A. his son to finish B. t

7、o finish C. finish D. his son will finish( )4、Listen! Can you hear a baby _ ? A. cry B. to cry C. crying D. cries ( )5.“Dont always make Michael _ this or that. He is already a big boy, dear,” Bush said to his wife. A. do B. to do C. does D. did ( )6、Dont forget _ the letter. A. to send B. send C. s

8、ending ( )7、John was made _ the car for a week as a punishment. A. to wash B. washing C. wash ( )8、Thank you very much _ the present. A. to give me B. for giving me C. giving me ( )9、I have no paper. Could you give me a piece of paper _ ? A. to write in B. write in C. to write on ( )10、The teacher g

9、ot his students _ the top of the mountain. A. reach B. to reach C. reaching ( )11、If everyone makes a contribution to _ the environment, the world will become much more beautiful. A. protect B. protecting C. protected ( )12、Tracy cant play the match now. Please _ instead. A. have Lily do B. let Lily

10、 to do it C. make Lily to do it ( )13、We lock the door to keep the books _ . A. to be stolen B. from being stolen C. from stealing ( )14、On my way home, I stopped _ some food. A. buy B. to buy C. buying ( )15_ the project in time, the staff were working at weekends. A. Completing B. Having completed

11、 C. To have completed D. To complete ( )16. Nowadays people sometimes separate their waste to make it easier for it _ A. reusing B. reused C. reuses D. to be reused ( )17. He told us whether _ a picnic was still under discussion. A. to have B. having C. have D. had ( )18. -The last one _ pays the me

12、al. - Agreed! A. arrived B. arrives C. to arrive D. arriving ( )19. _, you need to give all you have and try your best. A. Being a winner B. To be a winner C. Be a winner D. Having been a winner ( )20. We are invited to a party _ in our club next Friday. A. to be held B. held C. being held D. holding

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