2019届中考英语专题复习专题九情态动词课件.ppt

专题九,情态动词,情态动词,1,情态动词的基本用法,分析近3年甘肃中考真题可以看出，情态动词主要在语法与情景对话和完形填空中考查；其基本用法和表推测的用法轮流考查，都有涉及。判断二者的方法，就是分析在句子中的意义：1.表示“能”“应该”“不能”“必须”等这些是基本用法；2.表示“一定”“可能”“也许”等这些是表示推测。,1.常见情态动词用法归纳,拓展：,（1）由must引导的一般疑问句,肯定回答常用must/haveto；否定回答常用neednt或dont/doesnthaveto，不能用mustnt回答,mustnt意为“严禁，禁止”。如：MustIgowiththem？我必须跟他们走吗？Yes,youmust./No,youneednt/donthaveto.是的,你必须。/不,你不必。（2）由may引导的一般疑问句,肯定回答用may；否定回答用cant/mustnt。如：MayIsmokehere？我可以在这儿吸烟吗？Yes,youmay./No,youcant/mustnt.是的，你可以。/不,你不能。（3）could,should,would,might等有时不表示过去,而是表示委婉的语气。如：Wouldyoutellmethewaytothepark？你能告诉我去公园的路吗？,2.易混情态动词的辨析,can/could与beableto的区别,must与have/hasto的区别,cant与mustnt的区别,考点小练,1.youtellmethedifferencesbetweenthesetwophotos？No.Theylookquitesimilar，nearlythesame.A.CanB.MayC.MustD.Should,2.MustIbehomebeforeeightoclock?No,you.A.mustntB.cantC.needntD.haveto,3.Pleasedontmakesomuchnoise.Ihearthespeakerverywell.A.needntB.mustntC.cantD.shouldnt,4.Youtakemetothestation.Mybrotherwilltakemethere.A.cantB.mustntC.shouldntD.donthaveto,A,C,C,D,5.Look!Thetrafficlightshaveturnedred.Westopourcar.A.canB.cantC.mustD.mustnt,6.Ithinkstudentskeepondoingeyeexercisestoprotecttheireyes.A.shouldB.mightC.shallD.could,C,A,2,情态动词表推测,1.情态动词表肯定推测,注意：,这几个词按照推测的可能性由大到小为：mustmaymight/could。如：Theymustbeverytiredafteralongwalk.走了这么长的路,他们一定很累了。TheFrenchbookmaybeAlices.ShestudiesFrench.这本法语书可能是爱丽斯的。她学法语。Shemightbeinthelibrary.Shelikesreadingbooksintheafternoon.她可能在图书馆。她喜欢在下午的时候看书。,2.情态动词表否定推测,如：MissGaocantbeintheclassroom.Ijustsawherinthesupermarket.高老师不可能在教室,我刚刚在超市看见她了。Itmaynotbeherpen.这可能不是她的钢笔。,考点小练,7.Whenyouaretravelling，bringamapbecauseithelpyou.A.cantB.mustntC.usedtoD.may,8.ThispairofglassesbeTonys.Hestheonlyonewhowearsglassesinourclass.A.mustB.mightC.cantD.haveto,9.MyschoolbagstillbeinthemusichallbecauseIattendedaconcertyesterday.A.cantB.needC.mightD.must,10.Tom，dontdrivetoofast.Youhitotherscars.A.needB.mayC.mustD.should,D,A,C,B,11.Pleasecallbeforeyoucome,otherwisewebehome.A.shouldntB.maynotC.couldntD.neednt,12.Theresanimportantfootballmatchtoday.Imissit.A.mayB.cant