动词不定式to的省略课件

,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,动词不定式,To,的,几种常见的省略形式,感官动词和使役动词在主动语态中,不需要带,to,，即我们常说的“一觉二,听三让五看”：,feel,listen to,hear,let,make,have,see,watch,notice,observe,look at,.,动词不定式,To,的几种常见的省略形式,动词不定式,To,的几种常见的省略形式,e.g.He,noticed,Tom,take,a branch of,flowers in his hand.,The teacher,has,us,write,a composition,every week.,注,:,在变成被动语态时要加上,to,。,The person was,seen,to enter,the shop,by us.,动词不定式,To,的几种常见的省略形式,2.,由,all,，,what,引导的主语从句或者主语,被,only,first,one,least,或,形容词最高级,修饰时，而且从句中含有,do,时，其表语,如果是动词不定式，则往往省去,to,。,动词不定式,To,的几种常见的省略形式,e.g.,All,I,did,was,empty,the bottle.,What,I wanted to,do,was,drive,all night.,The,only,thing I could,do,was,do,it myself.,动词不定式,To,的几种常见的省略形式,3,常用的结构,may well do,，,may as,well do,(,还是,好了,),及,but,或,except,后,接不定式时，如果它们前面有,do,便可,省略,to,，其结构为,can not do but,，,can not help but,等句型。,动词不定式,To,的几种常见的省略形式,e.g.We,might as well,put up,here for tonight.,She,cant do nothing but/except,ask,silly,questions,.,She,did,nothing,but,complain.,动词不定式,To,的几种常见的省略形式,4.,在,had better,，,would rather,，,rather than,之后省略,to.,e.g.,You,d,better,not,tell,him the news.,Rather than,wait,anyone,I decided,to go home by taxi.,动词不定式,To,的几种常见的省略形式,5.,以,Why,或,Why not,开头表请求的结构,中常跟上动词原形,省略,to,。,e.g.,Why,go,with him?,Why not,go,out for a walk?,You look tired.,Why not,have,a,good rest.,动词不定式,To,的几种常见的省略形式,6.,由并列连词,and,，,than,or,连接两个以,上的具有相同意义或功能的不定式时，,第二个动词不定式不带,to,。,。,.,动词不定式,To,的几种常见的省略形式,e.g.Id like,to,stay,with you,help,you and,learn,from you.,She told us,to stay,at home and,wait,till,she came back.,动词不定式,To,的几种常见的省略形式,注：如果两个不定式表示对照或对比时，,则不能省略,to.,e.g.,To try and fail,is better than not,to try,at all.,He hasnt decided whether,to quit,or,to stay,.,To be,or not,to be,that is a question.,动词不定式,To,的几种常见的省略形式,7.,在一定的上下文中，为了避免重复，,有时不定式可以省略，但通常保留不,定式符号,to,。,e.g.I shall,go,if I want,to,.,“Dont,be late,.”“Ill try not,to,.”,Dont,go,till I tell you,to,.,动词不定式,To,的几种常见的省略形式,1.You had better _ your hair cut.A.had B.have C to get D to have,2.We _ put the meeting off for a,week.A can as well B.will as well,C.shall as well D.may as well,B,D,动词不定式,To,的几种常见的省略形式,3.He _ live in the country than in,the city.A prefers B likes to,C had better D would rather,4.The boy told his father that he would,rather _ an astronaut.A become B to become,C becoming D became,D,A,动词不定式,To,的几种常见的省略形式,5.Paul doesnt have to be made _.,He always works hard.,A.learn,B.to learn,C.learned,D.learning,6.-I usually go there by train.,-Why not _ by boat for a change?,A.to try going,B.,trying to go,C.to try and go,D.,try going,B,D,动词不定式,To,的几种常见的省略形式,He wants to do nothing but,out.,to go,go,going,goes,8.He wants to believe anything but_,the medicine.A to take B took C takeD takes,B,A,动词不定式,To,的几种常见的省略形式,9.Compared with women,men always,prefer _ at home rather than _,so much time shopping.,A to finish,to spendB to finish,spend,C finish,spend D finish,to spend,B,知识回顾,Knowledge Review,祝您成功！,