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动词不定式TheInfinitive动词不定式wanttodowishtodolike,decide,start,begin,forget,offer,tryTell,ask,teach,learn,use…基本形式：不定式符号to+动词原形。如：todo无人称和数的变化，在句中不能单独作谓语。动词不定式的用法1Ittookmetwentyminutestodomyhomeworkyesterday.2Hiswishistobecomeadoctor.3Heforgottoturnoffthelightwhenheleft.(作主语)(作表语)(作宾语)4Theteacheroftentellshisstudentstostudyhard.5Ihavesomethingimportanttotellyou.Hehasnoroomtolivein.6I’vecomeheretogetmypan.7I’mverygladtohearthat.(作定语)(作宾补)(作状语)(作形容词宾语)不带to的动词不定式口诀：一感：feel二听：hear,listento三让：let,make,have四看：lookat,see,watch,notice半帮助：help被动语态补toIwasheard________(sing)asonglastnight.tosing不带to的常见句式1)hadbetter(not)do.最好（别）做……You’dbetter(not)stayinbedandhaveagoodrest.2)Whynotdo…?为什么不做……?Whynotstaywithus?3)Will(would)youplease(not)do…?请你(别)做……好吗?Willyouplease(not)goshoppingwithme?1--WhencanIgoouttoplayfootball,Mum?--Finishyourhomeworkfirst,orIwon’tletyou_____.AtogooutBgooutCgoingoutDwillgooutB点击中考2--Areyouenjoying______inNingbo?--Yes,weare.Verymuch.AtoliveBlivingClivesDlivedB3--WhatshallwedothisSunday?--Why____totheScienceMuseum?AnotgoBnottogoCdon’tgoDnotyougoA4Robertoftenasksus____hisChinese,sohisChineseismuchbetterthanbefore.AhelphimBtohelphimwithCtohelpwithDhelpshimwithB5You’dbetter_____footballinthestreet.AplayBnottoplayCnotplayDplaying6Ireallydon’tknow_____aboutit.AwhattodoBhowtodoCtodowhatDhowcanIdoCA7MrBrownaskedustostop____,andwestopped___tohimatonce.Atalking,tolistenBtotalk,tolistenCtalking,listeningDtotalk,listenA8“It’snevertoolate_______.”Mothersaidtome.AlearnBtolearnClearningDlearnt9Whatmakeshim______soangry?AtofeelBfeelCfeelingDfeelsBB将列句子译成英语：1昨天我用了二十分钟的时间完成了作业。(Ittakessbsometimetodosth)2他离开时忘记关灯了。(forgettodosth)Ittookmetwentyminutestofinishmyhomeworkyesterday.Heforgottoturnoffthelightwhenheleft.3这位老师经常让他的学生努力学习。(tellsbtodosth)4我有一些重要的事情要告诉你。(somethingimportanttodo)Theteacheroftentellshisstudentstostudyhard.Ihavesomethingimportanttotellyou.5我来这儿取回我的锅。6听到这事我很高兴。(begladtodo)I’mverygladtohearthat.I’vecomeheretogetmypan.