to-do不定式公开课1.ppt

Unit2Grammar byHope Warmingup Enjoyingapieceofmusic Trytoremembersomelines Infinitive WhatamIgonnadotomakeyoulovemeWhatamIgonnadotomakeyoucareWhat llIdowhenlightningstrikesmeAndtowakeandfindthatyou renotthereWhat llIdotomakeyouwantmeWhatamIgonnadotobeheardWhat llIsaywhenit salloverSorryseemstobethehardestword Ilikerecitelyrics Iadvisedhimtogiveupsmoking BrotherLongadvisedhim smoking Hepromisedmetostudyhard HepromisedLong hard Step1 基本形式和否定形式 肯定式 todo否定式 nottodo nottogiveup nottostudy 动词不定式的时态和语态 Hismotheropenedthedoortoseeifhewasstudying Weizhenexpectedtobepraisedbyhismother sohepretendedtobestudying 一般式 todo tobedone 不定式的一般式所表示的动作 状态 Step2 与谓语同时发生或发生在谓语动词之后 进行式 tobedoing TheyseemedtobetalkingaboutsomethingsecretwhenIcameintheclassroom 如果谓语表示的动作 情况 发生时 不定式所表示的动作正在进行 完成式 tohavedone tohavebeendone 2 I mpleasedtohavebeengiventhischancetoexpress 表达 toher 1 YouseemedtohavewrittenalovelettertoLily 如果不定式的动作发生在谓语之前 如果不定式的逻辑主语是不定式所表示的动作的承受者 不定式要用被动形式 小结 todo tobedone tobedoing tohavedone tohavebeendone 练习 Hello It sgood see youagain Bye bye I mglad see you Theypretend work hardwhentheteachercamein Thegirlstudentsissaid send abroadlastweek Heissaid study abroad sohegotthepositionofmananger Todolikethatisfoolish Iwanttoseeyouthisevening Allyouhavetodoistofinishitquickly Wefoundahousetolivein ShecameheretostudyEnglish Iwarnedthepatientnottoeatcoldwateraftertheoperation 主语 宾语 表语 定语 状语 宾补 Step3不定式的用法 isourduty isarightchoice Itisarightchoicetogiveupsmoking 1 帮你戒烟是我们的责任 2 戒烟是正确的选择 不定式短语作主语时 如果主语如果太长 常用it作形式主语 真正的不定式主语后置 Tohelpyougiveupsmoking Togiveupsmoking Step4作主语 Step4作主语 1 Itiskindofyoutohelpme 2 Itisgoodforyourhealthtostopsmoking 3 Ittookmethreemonthstogetridofthebadhabit 4 Itcostmealotofmoneytobuycigarettes 一般用不定式做主语的句型It be adj n forsb todosth ofsb todosth It take sb time todosth It cost sb money todosth Step4作主语 1 Itisgoodforyourhealthtostopsmoking 2 Itisnecessaryforyoutodrinkmorewater 3 Itisimportantforyoutohavemorefruit 如何确定for和of Step4作主语 4 Itiskindofyoutohelpme 5 Itisselfishofyoutoaskmetocontinuetosmoke 6 Itisfrankofyoutotellmethetruth Itisclever you make somanytoyships Itisnecessary us be politeinclass Itiscareless you make lotsofmistakes Itisverynice you get metwoticketstotheworldcup Itisgood us play spotseveryday Ioftenhavehamburgersforlunch You dbetternot It sbad you eat toomuchjunkfood 牛刀小试 Step5作宾语 I youtostudyEnglish Doyouknow me Ithinkitimportant plantohelp howtohelp toreciteEnglishwords 动词不定式 作宾语 动词 todo 动词 疑问词 todo 动词 think consider make believe等 it 宾补 todo 常见动词有afford agree arrange ask decide demand plandesire expect hope learn manage offer pretend promise refuse wish prefer happen intend fail等 Idon tknowwhattodo IfinditimportanttolearnEnglish 只能接不定式作宾语的动词口诀 决心学会想希望拒绝设法愿假装主动答应选计划同意请求帮一帮 decide determine learn want hope wish expect refuse manage attempt care pretend offer promise choose plan agree beg help Makesentences makemoremoney Makesentences planbuythecar Makesentences expecthavethesportsmeeting Makesentences refusefinishthehomework Teamwork Writethreepiecesof