八年级英语：动词不定式ppt课件

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,）,不定式,1,to+,动词原形，其否定形式是,“,not/never to do,”,/not do.,不定式可以,带宾语或状语,构成不定式短语，,没有人称和数,的变化。,不定式的构成,:,to+动词原形，其否定形式是“not/never t,2,一,.,不定式的句法功能,八年级英语：动词不定式ppt课件,3,1.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.,1.Its very common to raise mo,4,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 .,of/for?Its difficult_ me,5,1.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,1.Its very nice of them _,6,2.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.,2.The best way to raise money,7,1.My job is,_,computers.,to selling B.sell,C.to sell D.sold,2.Her hobby is _(play)football.,1.My job is _computers,8,3.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,.,3.I want to make a hotel reser,9,1.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.,1.My friends want _(boo,10,5.My little son is able,_,(read)some words.,6.Ill try my best,_,(help)you.,7.She would like,_,(become)beautiful.,5.My little son is able _,11,4.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.,4.Kangkang helped us to book t,12,1.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.,1.Dont ask Jim _(go)swimmi,13,6.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.,6.I wish you _(have)a go,14,5.,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.,5.但使役动词（let.make.have)和感官动词,15,1.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,1.When they went into the par,16,3.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.,3.Please let the students_ d,17,5.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,.,5.Why dont we have a show to,18,1.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.,1.She sells flowers_make mo,19,6.,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,6.作定语(后置）to say to doto live,20,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,例如：He is looking for a room to,21,7.,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.,7.动词不定式可以和疑问词构成短语。如：,22,1.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?,1.Joe is teaching Alice_t,23,8.,只能跟,ving,的动词：,finish,enjoy,mind,keep(on),practise,feel like(want),b