公开课动词不定式的用法课件省公开课金奖全国赛课一等奖微课获奖PPT课件.pptx

1.动词不定式使用方法1.动词不定式作主语1.动词不定式作主语复合结构：
1)forsb.todosth
2)(Itis+性格adj+)ofsb.todosth
性格adj：nice,kind,cruel,thoughtful,careful,careless…
ItisveryimportantforustolearnEnglish.
Itisdifficultforhimtofinishthetaskinsuchashorttime.
Itisveryniceofyoutohelpme.
2.动词不定式作宾语动词不定式作宾语应注意问题forgettodosth.忘了去做某事动词不定式作宾语应注意问题3.动词不定式作定语4.动词不定式作表语2．主语是以aim,duty,hope,idea,intention,mistake,plan,proposal,job,suggestion等为中心词名词词组，或以what引导名词性从句表示，表语用不定式说明其内容，如：
Myideaistoclimbthemountainfromthenorth.
Mysuggestionistostartworkatonce.
WhatIwouldsuggestistostartworkatonce.注：在一些句型中，当主语部分有动作动词do时，作表语不定式能够省略符号“to”，如：
Allwehavetodoispushthebutton.
TheonlythingIcandonowisgoonbymyself.
AllIcoulddowassendhimatelegram.5.动词不定式作宾补（2）可跟省to动词不定式作宾补动词有：Theteacherhadusrecitethetexteveryday.6.动词不定式作状语1．表示目标：
Theyranovertowelcomethedelegates.
Hestooduptobeseenbetter.
2.表示结果：
WhathaveIsaidtomakeyousoangry?
Hecameroundtofindhimselfinhospital.

不定式结构表示结果更常见于以下句型：
①so…asto…
Wouldyoubesokindastolendmeyourbicycle/tellmethetime?
②such(…)asto…
I’mnotsuchafoolastobelievethat.
③enoughto…
Theboyisoldenoughtogotoschool.
④too…to…
5.onlytodo表示一个意想不到结果
Eg:Wewenttothetrainstationonlytofindthatthetrainhadleft.当too前有only时，onlytoo…to…译作必定。动词不定式时态㈡.进行式(tobedoing)动词不定式时态巩固练习2.—Iwishyouhadbroughtyourfamilywithyou.
—I’llgetthem_______nexttime.
A.comingB.tocome
C.comeD.havecome3.Weclimbedtothetopofthetower________abetterviewofthearea.
gettingB.got
C.havinggotD.toget4.WhatisthewaySmiththoughtof_________enoughmoneytobuythenewhouse.
A.gettingB.havinggot
C.beinggotD.toget5.Theyoungassistantwasnoticed______thebankalonelastnight.
A.enteringB.enter
C.toenterD.entered6.WangDongwantedtosurftheInternet,buthisfathertoldhim__________.
A.nottodoB.notdoit
C.donottoD.notto7.Thepartywassuccessful,butwethoughtitapitynot_________you.
A.inviteB.toinvite
C.invitingD.tohaveinvited小结Seeyounexttime!