微课_动词不定式.ppt

动词不定式,TheInfinitive,威海十中主讲人：杨蕾蕾撰稿人：苗升杨静,动词不定式,动词不定式在句子中用法灵活，作用很大，是中考中重要的考查项目之一，大家一定要学好吆！,(一)动词不定式的基本形式,（二）动词不定式的特征,（三）动词不定式的运用,肯定式：to+动词原形否定式：notto+动词原形(to是不定式符号，无意义，有时可以不带),基本形式,onthewaytoschoolonthewaytoseeafilmIwanttoborrowadictionary.TurntoPage32.CouldIspeaktoMr.Smith,please?Theybegantoreadandwrite.Heisusedtogettingupearly.Helpyourselftosomefish.Sheaskedmetospeakalittlelouder.,自主探究,to,不定式or介词?,不定式之前的to与介词to不同。介词to之后要跟名词、代词或相当于名词的短语作宾语；而不定式to之后必须跟动词原形。,介词to:to+名词/代词/动名词不定式to:to+动词原形,疑难解惑：,动词不定式是一种非谓语动词的形式，它没有人称和数的变化。动词不定式和其后面的名词等构成不定式短语。,动词不定式的用法,1.作主语2.作宾语3.作宾语补足语4.作状语5.作表语6.作定语7.和疑问词连用可以作句子的主语、宾语、表语等,作主语,特殊句型，todo作主语，常放句尾，用it作形式主语,1.Itbeadj./n.todosth.Itsgoodtoseeyou.Itsmyjobtoteachyou.,Toteachyouismyjob.,2.Ittakessb.sometimetodosth.,Ittakesmeonehourtodomyhomework.,1、Ittookthem1,000yuan_thistable.(buy)2、Itisdifficult_math.(learn)3、_istobelieve.(see),Tosee,tobuy,tolearn,Exercises,Iwanttogohome.,作宾语,常用动词不定式作宾语的动词有：want,hope,love,like,learn,prefer,decide,agree,stop,forget,begin,start,hate,remember,goon,try等,1、他想借用我的录音机。2、他们开始读。3、李琳喜欢玩什么？她喜欢踢足球。,Hewantstoborrowmyradio.,Theybegantoread.,WhatdoesLiLinliketoplay?Shelikestoplaysoccer.,Exercises,不定式to:to+动词原形,stoptodostopdoing停下来去做某事停止做某事goontodogoondoing继续做另一件事继续做原来在做的事remembertodorememberdoing记住要做某事记得曾经做过某事forgettodoforgetdoing忘记要做某事忘记曾经做过某事,提示板,V+todosth.V+doingsth.,begin/start/hate/like/love/plan/prefer,意义相似,意义不同,forget/remember/goon/stop/try,1、我记得以前见过你。,2、离开时请记得关灯。,Irememberseeingyou.,Remembertoturnoffthelightwhenyouleave.,Itellhimnottogotherebybus.,作宾语补足语,常用动词不定式作宾语补足语的动词有：tell,ask,want,order,teach,invite,wish,help,get等,注：若后面跟两个并列的不定式的话，后面一个的to可以省略。Ihelpmymumtodothedishesandcleanthewindows.,常见动词有：使役动词:let,make,have感官动词:see,watch,hear,feel,listento,作宾语补足语不带to的情况：,一感feel二听hear,listento三让make,let,have四看lookat,see,watch,notice,Letmedoit.,若要变成被动语态，to要加上：Theyaremadetoworkfor16hoursadaybytheboss.,Exercises,2.Youmustwatchmecarefully_(do)everything.,do,3.Shewasheard_(sing)inthenextroom.,1.Mymotheraskedme_(wash)clothes.,towash,tosing,小结,1.作主语Toteachyouismyjob.2.作宾语Iwanttogohome.3.作宾语补足语Itellhimnottogotherebybus.,动词不定式的基本形式和特征to+动词原形notto+动词原形,1,Motheraskedme_athome.(stay)2,Lets_arest.(have)3,Isawhim_abook.(drop)4，_(be)adoctorishard.5,Itisnoteasy_(learn)Englishwell.6,Thebabywasmade_(cry)bytheboy.7,Mothertaughtme_and_.(read,write)8.Ifeltsomeone_(open)mydoor.9,Hestopped_alook,butsawnothing.A.havingB.tohaveC.haveD.had10,Pleasetellhi