七年级英语动词不定式.pdf

RevisionThe infinitive动词不定式构成：to+do(动词原形)用法：1.用作宾语(v,+to do)I want to buy a computer.She hopes to find a better job.I wish to go with you.need to do plan to do begin to do forget to do Stop to dolearn to do agree to do decide to do refuse to do start to do try to doremember to do like to do go on to do2.用作宾语补足语：(v.+sb.+todo)She asked me to help her.The teacher told him to come on time.Edisons mother taught him to read andwritewant sb to do get sb to do find sb to be would like sb to dowish sb to do order sb to do like sb to do help sb to do作宾语补足语不带to的情况：Let me do it.I saw him cross the street.常见动词有：使役动词：let,make,have感官动词：see,watch,hear,feel,listen to比较：I heard her singing in the next room.I heard her sing in the next room.3.用作状语(adverbial)：He came to show me his new CD player.（目的）I went there to see my teacher.（目 的）She came back to get her English book.（目的）The boy was too frightened to move.（结果）4.用作主语（这时可将其用形式主语it来替换）1.To be here at Christmas time is my dream.is my dream to be here at Christmas time.2.To go abroad is his dream.is his dream to go abroad.3.To say is easy,to do is difficult.is easy to say,it is difficult to do.5.用作表语His work is to feed the animals.Her job is to look after the patients.My wish is to be a scientist.6.用作定语（这时不定式与被修饰词有动宾关系。若是不及物动词，介词不能省略）Give me something to drink.I have two books to read.They have much food to eat.He asked for a room to live in.I don*t have a pen to write with.The ice is hard enough to skate on.He bought a toy to play with.7.疑问词who,what,which,where,when,how 加to do可构成不定式短语，在句中可用作主语、宾语、宾语补足语、表语等。When to start has not been decided.（主语）I dont know what to do.（宾语）He can tell you where to get the book.（宾语补足语）The question is who（m）to ask.（表语）比较(Compare)I dont know what to do.I dont know how to do it.I dont know what to do about it.Exercises:1.-Youve done very well this time.-Ifs really kind C.A,for you to say so B.for you saying soC of you to say so D.of you saying so2.It is better to lose ones life than CA if you lose your spiritB.losing his spiritC.to lose ones spiritD.your spirit getting lost3.-I cant work in this way.-Why not g it in some other way?A.try to do B.try doingC.trying to do D.trying doing4.Since you find it difficult_口_adecision,youd better a discussion（讨论）with your parents.A.reach;have B.reaching;haveC.reach;having D.to reach;have5.My father hates（痛恨）。,He neverallows me.A.to smoke;to smokeB.smoking;smokingC.smoke;smokingD.smoking;to smoke6.The girl was beginning 0,DA-get angry B.to get angryC.getting angry D.angry7.There isnt any difference between the two.I really dont know B.A.where to choose B.which to chooseC.what to choose D.to choose which8.The bag is too heavy for me C.A.to carry it B.not to carry itC to carry D.not to carry9.The teacher will teach him C.A.to useC how to use itB.use itD.uses找出句子中的不定式，并说出作用:1.It takes you ten minutes to get there.主语2.I hope to see him soon.宾语3.His wish is to become an artist.表语4.People eat to live,but not live to eat.状语5.I have a lot to tell you.定语6.Its not right to be always thinking of oneself.主语7.We often see him play football.宾语补足语 构成：to+do(动词原形)用法：1.用作宾语(v,+to do)I want to buy a computer.She hopes to find a better job.I wish to go with you.need to do plan to do begin to do forget to do Stop to dolearn to do agree to do decide to do refuse to do start to do try to doremember to do like to do go on to do2.用作宾语补足语：(v.+sb.+todo)She asked me to help her.The teacher told him to come on time.Edisons mother taught him to read andwritewant sb to do get sb to do find sb to be would like sb to dowish sb to do order sb to do like sb to do help sb to do3.-I cant work in this way.-Why not g it in some other way?A.try to do B.try doingC.trying to do D.trying doing4.Since you find it difficult_口_adecision,youd better a discussion（讨论）with your parents.A.reach;have B.reaching;haveC.reach;having D.to reach;have