八年级英语不定式复习.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,不定式,（the infinitive）,to+,动词原形，其否定形式是,“,not to do,”,.,不定式可以,没有人称和数,的变化。,不定式的构成,:,一,.,不定式的句法功能,1.Its very common,to raise money in Canadian and American school.,(,做主语,),不定式做主语时,常用代词,it,来代替不定式结构,这时,it,被称为形式主语,而作为句子真正主语的不定式则被后置,.,往往放,v.,和,adj.,之后,.,e.g.,To learn English well,is not easy.,=Its not easy,to learn English well,.,不定式的逻辑主语有时用“,of/for+,名词或代词宾格”构成。,Its+,adj,for/of,sb,to do,sth,.,of/for?,Its difficult_,me to work out the,maths,problem.,.,for,You are kind to help me.,Its kind _you to help me,of,nice,kind,good,silly,clever,wrong,honesy,easy hard difficult interesting exciting boring .,1.Its very nice of them,_,(send)me the flowers.,2.,_,(become)a teacher is my dream.,3.Its very important to learn English well.(,同义句转换,),_,_,English well,_,very important.,4.Its important,_,Chinese well.,to learn B.learn,C.learning D.learns,2.The best way to raise money is,to sell newspapers.,(,做表语,),表语是用来表示主语的身份,状态和特征等,.,可与系动词构成系表结构,.,Her wish is,to study,in,Ji,Yan,Middle school.,My job is,to clean,the streets.,1.My job is,_,computers.,to selling B.sell,C.to sell D.sold,2.Her hobby is _(play)football.,3.I want,to make a hotel reserv,a,tion.,(,做宾语,),接动词不定式作宾语常见的几个动词是,want,plan,hope,decide,begin,start.need,wait,would like.,hate.refuse.wish,.prefer,learn.try.like,.agree,fail.,be able to,do,do,ones,best to do,等,.,They decided,to try,again.,The little boy wanted,to get,to,school before 8 oclock.,宾语表示主语所做动作的承受者,.,一般跟在及物动词后面,.,1.My friends want,_,(book)some tickets to the movie for us.,2.My parents decide,_,(give)me more money.,3.He plans,_,(go)to Beijing for a holiday.,4.The boy hopes,_,(pass)the English exam.,5.My little son is able,_,(read)some words.,6.Ill try my best,_,(help)you.,7.She would like,_,(become)beautiful.,4.Kangkang helped us,to book,the train tickets.,动词不定式作宾语补足语,常见的动词有,tell,ask,want,would like,wish,teach,help,order,invite,get,allow,send,lead,等,.,常构成下面的句式：,V+,sb,/,sth,+to do,其否定形式为：,V+,sb,/,sth,not/never+to do,(,做宾语补足语,),She told me,not to give,the book to him.,I asked Paul,to carry,the box.,1.Dont ask Jim,_,_(go)swimming with us,because his mother wont allow him,_,(do)so.,2.Does you mother like you,_,a doctor?A.being B.to be,C.are D.become,3.My teacher always tells me,_,(study)hard.,4.I dont want you _(help)me.,5.Shed like me,_,(join)them.,6.I wish you _(have)a good time.,My best friends teach me,_,(swim).,8.Her boyfriend often invites her,_,(have)dinner.,9.My mother always gets my father,_,(do)housework.,10.I order you,_,(wash)your hands.,5.,但使役动词（,let.make.have),和感官动词,(see.,watch.look,at.hear.feel),的宾补常省,to,句式如下：,V.+,sb/sth,+do,其否定形式为：,V+,sb,/,sth,+not/never do,His mother let him not watch TV,。,He often makes his sister wash his clothes.,1.When they went into the park,they saw someone,_,Chinese,Kongfu,.,plays B.played,C.to play D.playing,2.Mr.Brown made his students,_,the new words again.,copying B.copy,C.to copy D.copied,3.Please let the students_ down.A.sitting B.sat,C.sit D.to sit,4.Is,Wei,Fang good at singing?,-Yes,she is.We often hear her,_,in her room.,A.to,sing B.sing,C.sings,D.singing,5.A strange noise made,me,_,(stop,)my work.,5.Why dont we have a show,to raise money?,(,做目的状语,),不定式作状语一般表示目的，原因或结果,We are sorry,to hear,that.,Lets stop,to have,a rest.,The orange are too high,to reach,.,She didnt work hard enough,to pass the exam.,(,表原因,),(,表行为的目的,),(,表结果,),状语在句子中修饰动词,形容词,副词或整个句子,.,说明动作或状态的特征,.,1.She sells,flowers,_,make,money.A.made,B.make,C.to,make,D.to,be made,2.The room is not big enough,_,.,A.to,live in B.to be lived in,C.to,live D.for living,3.Im sorry,_,you.,trouble B.trouble with,C.to trouble D.trouble about,4.He is too young _(go)to school.,6.,作定语,(,后置）,1.,Do you have anything more_,要说,?,2.She has a lot of work _,做,every day.,3.The old man has a house _,住,.,4.She is a nice person_,共事,.,to say,to do,to live in,to work with,例如：,他在找一个房间住。,无什么可担心的。,请给我把刀子来切东西。,He is looking for a room to live,in,There is nothing to worry,about,Please give me a knife to cut,with,7.,动词不定式可以和疑问词构成短语。如,：,We dont know,how to use,the machine.,Can you show me,how to swim,.,He didnt tell me,when to leave.,1.Joe is teaching,Alice_the,chair.A.how mend B.how mending C.how to mending D.how to mend,2.I dont know what_(do)next.,3.Could you tell me when _(have)dinner?,8.,只能跟,ving,的动词：,finish,enjoy,mind,keep(on,),practise,feel,like(want,),be busy doing.give up,look forward to doing,cant help doing,1.I cant help _(cry).2.He didnt finish _(do)homework.3.Would you mind _(close)the window.4.Every day Mary,practise,_(speak)English.5.,Kangkang,is busy _(watch)TV now.6.I look forward to _(hear)from you.7.They keep _(play)basketball.8.My sister feels like _(eat)ice cream.,9.,既可以跟动词不定式 又可以跟,Ving,的几组动词,而意思无太大区别的：,like to do,like doing,prefer.hate begin start.,10.,注意,Stop to do,与,stop doing,：,stop to do,指的是：停下其它的事情，去做不定式的动作。,We are so tired.Lets stop to have a rest.,我们太累了，让我们停下来休息一会儿吧。,Stop doing,是指停下来正在做的事情。,The students stopped talking when the teacher came in.,She reached the top of the hill and stopped _on a big rock by the side of the path.A.to have rested,B.resting C.to rest D.rest,2.Its time for class,please,stop_(talk,),3.He stopped _(,say)hello,to me when he saw me.,4.Its too,late,lets,stop_(work,),5.He,stopped_(cry,)when seeing his mother.,C,talking,to say,working,crying,remember to do,记得要去做,remember doing,记得曾经做过,Please remember to bring your book with you tomorrow.,I remember bringing my book this morning.,forget doing,曾经做过这件事，但后来忘了,forget to do,忘记要做一件事（根本没做）,I often forget to turn off the light,but I remember turning it off last night.,1.Dont forget _ your homework with you when you come tomorrow.,to bring B.bringing,C.to take D.taking,2.-Do you still remember _ me somewhere in Beijing?,-Yes,of course.Two years ago.,to see B.see C.seeing D.saw,3.Remember _(not be)late next time!,温馨提示,11.,find,it+adj+to,do,=find(that)it is to do.,think,it,to,do,=think(that)it is,adj+to,do,sth,.,I found,it,easy,to learn,English.,=I found it is easy to learn,Enlish,.Exercise:,I felt it hard _(give)up _(smoke),12.,Its time to do,sth,.,Its ones duty to do,sth,Its ones turn to do,sth,Take turns to do,sth,.,It takes,sb,some time to do,sth,It costs,sb,some money to do,sth,主语,+,adj,to do,sth,It cost me 5,yuan,_,(buy)the book yesterday.,It will take him 8 minutes,_,(get)there.,We take turns,_,(clean)the classroom.,4.Its already time,_,(stop),_,(discuss),5.Its my duty,_,(protect)you,13.,变被动语态 ,make,sb,do,sth,.,sb,be made,to do,sth,.,He makes us laugh.We are made to laugh by him,see,sb,do,sth,.,sb,be seen,to do,sth,.,I often see him play games.He is often seen to play games by me.,hear,sb,do,sth,.,sb,be heard,to do,sth,.,I always hear my friend sing,Engish,songs.My friend is always heard to sing English songs,Yesterday he was seen _(play)computer games.,2.Many children are made _ what theyre not interested in.,A.do B.doing C.to do D.did,3.Someone was heard _(knock)at the door just now.,1.She needs some paper to _.,A.write,B.write,in,C.write,with D.write on,2.Give me a pen _.A.write B.to write C.write with D.to write with,3.-Shopping with me?,-Sorry.I have a lot of clothes _.,A.washed,B.wash,C.to,wash,D.to,be washed,8.,在学习不定式中,我们需要注意些什么呢,?,1.,记住基本形式,:,to do,否定,:not to do,2.to do,是非谓语动词,没有人称和数的变化,不能充当谓语,.,但可以和系动词构成系表结构,.,如,:My dream is,to be,a doctor.,3.,使役动词,接,to do,作宾语补足语时,必须,省去,to,.,如,:Do you often,see him play,tennis on the playground?,4.,充当,后置定语时,要特别注意动词的不定式短语中介词要不要省去,.,如,:The old man have no house,to live in,.,