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动词不定式,-ByBringEnglish,肯定形式：(to)do否定形式：nottodo,作用：主语，宾语，表语，定语，补语，状语,一.作主语,1.Toseeistobelieve.2.Tofinishsomuchhomeworkinadayisimpossible.3.Itisimpossibletofinishsomuchhomeworkinaday.4.ItisdifficultforustolearnEnglish.5.Itiskindofyoutogivemesomuchhelp.6.Itiscleverofhimtoleavethatcountry.公式：Itisadj.forsbtodosth.Itisadj.ofsbtodosth.,常用于Itisadj.forsbtodosth.句型的形容词：easy,difficult,hard,important,possible,impossible,necessary,unnecessary,interesting等。常用于Itisadj.ofsbtodosth.句型的形容词：good,kind,nice,wise,clever,foolish,careful,careless,mean,generous,polite,impolite等。,二.作表语,1.Mywishistobeadoctor.2.Hisjobistoteach.3.Heseemedtohaveheardofsomething.,三.作宾语,1.Iwanttodoitmyself.2.Hedecidedtoleavehisjob.3.Herefusedtohelpher.4.IhopetovisitHainanagain.只能接todo作宾语的动词有：afford,ask,learn,need,want,agree,decide,hope,plan,besupposedto,bewillingto,beafraidto,expect,help,offer,pretend,refuse,seek,manage,fail,只能接doing作宾语的动词有：,enjoy,mind,practice,stand,forbid,keep,allow,delay,admit,risk,miss,appreciate,consider,escape,putoff,begoodat,dreamof,beinterestedin,succeedindoing,bebusyindoing,beusedto,lookforwardto,giveup,payattentionto,可以接todo或者doing作宾语的动词：,Stoptodo,stopdoing,meantodo,meandoing,trytodo,trydoing,remember/forgettodo,remember/forgetdoing,goontodo/goondoingcontinuetodo,continuedoing,start/begintodo/doinglike/love/hatetodo,like/love/hatedoing,四.作宾语补足语,1.Weallowyoutomakeyourowndecision.2.Theydontallowustowearjeansinschool.3.Wecanasktheteacherstohelp.4.Mymotherwantsmetodrinkmilkeveryday.5.Hisfathertoldhimnottohangout.,注意以下结构：,forbidsbtodo,sendsbtodo,allowsbtodo,invitesbtodo,causesbtodo,expectsbtodohelpsb(to)do,leadsbtodo,makesbdo,letsbdo,havesbdofind/see/watchsbdospendtimedoing,wastetimedoing,leavesbdoing,find/see/watchsbdoing,五.主语补足语,1.Weareallowedtomakeourownchoice.2.Hewasfoundtogointoaninternetbar.3.Hewastoldtobequiet.4.Sheneedntbemadetostudy.5.Theroomwassaidtohavebeencleaned.,六.作定语,1.Heisalwaysthefirsttoarriveatschoolandthelasttoleave.2.Heislookingforaroomtolivein.3.Shehasnoonetotalkwith.4.Ihavealotofworktodo.5.Ineedapentowritewith.,七.作状语,1.Iamverygladtohearfromyou.(原因)2.Inordertocatchupwithothers,Ihavetostudyharder.(目的)3.Hespokemoreloudlytobeheard.(目的)4.Shewastooexcitedtospeak.(结果)5.Ihurriedtogetthere,onlytofindhimout.(结果),网购要省钱，就用“返利宝典”,功能简介：通过本平台进入淘宝、京东等500多家商城购物，均有一定比例的返利。操作指南：将淘宝或天猫的商品地址链接复制粘贴到首页的返利搜索栏，查询返利，按指定通道去淘宝天猫购物即可。其它商城的商品返利虽然无法直接查询，但只要通过本平台进入购买的，都有返利。站长QQ：786583668,八.作独立成分,1.Totellyouthetruth,Idontthinkthefilmisgood.2.Tobefrank,youarelying.3.Tomakemattersworse,itbegantorain.4.Itisagoodidea,tobesure;butitishardtopractice.5.Tobehonest,6.Tobeginwith,不定式的时态,一.一般式(todo)-表示不定式的动作发生在谓语动词的动作之后1.Hehasdecidedtogivehersomemoney.2.Heissaidtogoabroadnextmonth.二.进行式(tobedoing)-表示不定式的动作通常与谓语动词的动作同时发生。1.Heseemedtobereading.2.Theteacherdidntexpectmetobeworkingatthattime.,三.完成式(tohavedone)1）表示不定式的动作发生在谓语的动作之前。1.Iamsorrytohavekeptyouwaiting.2.Hehappenedtohaveseenthefilm.3.Heissaidtohavebeenabroad.2).表示过去没有实现的期待或计划(hoped,wanted,wished,expected,planned,intended+tohavedone结构)。1.Weplannedtohavefinisheditintwodays.2.Hewantedtohavemetyouattheairport.,
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