动词不定式复习课件.ppt

动词不定式复习课,Feel,Ihaveacomputer.IwanttoThereissomethingwrongwithmycomputer.IwanttoIhavesomemoney.Iwantto动词不定式的基本形式：to+todo(动词原形),动词不定式通过“六字决”掌握不定式的一般规则：动词不定式的特点可以用六个字来概括，即失去、保留和相当。（1）失去（lose）:动词失去能充当谓语的功能，没有人称和数的变化Hiswishistobecome(表)agreatscientist.(2)相当（Equal）:相当于一个名词、形容词或副词。名词：Assubject（作主语）:Toloveandtobelovedisagreatesthappinessoflife.注不定式做主语时,可用形式主语“it”来代替.把不定式放在句末.构成“Itistodosth”句型.上例句子可改为:Itisagreatesthappinessoflifetoloveandtobeloved.,Asobject（作宾语）:Wehavedecidedtoexperimentwithanewmethod.副词：Asadverbialofpurpose（作目的状语）:Istartedearly(soas/inorder)togotowork.Asadverbialofresult（作结果状语）:Heistooyoungtojointhearmy.Asadverbialofcause（作原因状语）:Theyjumpedwithjoytohearthenews.,形容词：Asattribute(作定语):Sheisalwaysthefirstonetocometotheoffice.Aspredicative(作表语):Myintentionistostayabroadthreeyears.Asobjectcompliment(作宾语补足语):Theyhelpedmetocarrytheheavybox.,(3)保留（Tokeep）:仍保留动词的两个特点。a.带宾语toreadabookb.被状语修饰tosingatthepartyc.时态语态变化,A.不定式的否定结构:not+todo,Hetoldmenottobelate.注:不定式否定句不同于否定句形式.不定式否定句没有助动词,否定句有助动词.Hedidntaskhimtocomehere.他没请他来.Heaskedhimnottocomehere.他请他不要来.,B.不定式的复合结构:for+名词(代词)+不定式:Itisnotrightforyounottohelpher.不定式的“of+名词(代)+不定式”结构:Itskindofyoutohelpme.不定式的“疑问词+不定式”结构.如:Hedidntknowwhattodo.=Hedidntknowwhatheshoulddo.注意:带特殊疑问词的不定式可跟带带特殊疑问词的宾语从句进行句型转换.C.不定式的“too+形容词或副词+todosth”和“too+形容词或副词+forsb/sth+todosth结构Sheistooyoungtogotoschool.Thispairoftrousersistoodirtyforhimtowear.,(not)+形容词或副词+enoughforsb/sth+toDo:某人能(不能)做某事:Heisnotoldenoughtojointhearmy.=Heistooyoungtogotoschool.,1.Hetoldhergooutatnight.A.notB.dontC.doesntD.notto2.Noneofusknowit.A.howdoB.whatdoC.howtodoD.whattodo3.Hecameherehisfriends.A.seeB.seeingC.toseeD.hasseen4.Herparentshertobeadoctor.A.hopeB.wishC.suggestD.agree5.Becarefulontheice.A.tonotfallB.nottofallC.notfallingD.fallingnot,6.Thehouseisnotbigenoughto.A.toliveinB.tobelivedinC.toliveD.forliving7.ItsimportantEnglishwell.A.tolearnB.learnC.learnD.learns8.Idlikeyoumyparentssoon.A.tomeetB.meetC.meetingD.met9.Thatsreallykind.A.ofyoutosaysoB.foryoutosaysoC.ofyousayingsoD.foryousayingso10.Heistootiredanylonger.A.cannotwalkB.walkingC.towalkD.walks,特殊性认知语法阶段掌握规则之中的不规则，掌握一般性中的特殊性。总结不带to的不定式的运用搭配（bare-infinitive）:（1）在某些及物动词的复合宾语中，须省掉动词不定式符号to,可以用下面的口诀帮助记忆：“一感”、“二听”、“三让”、“四看”、“半帮助”：一感：feel二听：hear,listento三让：have,make,let四看：lookat,see,watch,notice“半帮助”是指help后的动词不定式作宾语补足语时，可以带to，也可不带。,e.g:1)Theteacherletmedomyhomeworkcarefully.2)LiLeifelthisheartbeatfastwhenhesawtheheadmastercoming.3)Hismothermadehimstayathomeallday.4)Isawabirdstandinthetree.5)Theboyoftenhelpshismother(to)dothehousework.6)Weoftenhearhersingintheroom,(2)一些常用搭配如：hadbetter,ratherthan,wouldrather等的后面也跟不带to的动词不定式。e.gYouhadbettergohomenow.Iwouldrathergoearly.Willyoupleasesayitagain?,练习（Practise）1.Hemademeitagain.A.todoB.doC.thatIdidD.doing2.Imhungry.Getmesomething