年中考英语复习之情态动词课件

Hello,boysandgirls.I’mSunWukong.Icanmake72changesanddolotsofmagicthings.Remember:whenyoumeetdifficulties,youshouldkeepfightingandnevergiveup.Youwillsucceedoneday!canshouldwill情态动词情态动词

情态动词是表示说话人的情感、态度或语气的动词，在句中不能单独作谓语，只能和其他动词原形连用构成谓语。主要有can,could,may,mightmust,,should,need,等。情态动词的特点:(1)情态动词无人称和数的变化(have

to除外);(2)情态动词后接动词原形;(3)情态动词的否定式是在其后加not;haveto除外；(4)具有助动词的作用，可用来构成否定句、疑问句及用于简明答语;情态动词直击表请求

表能力表推测

表义务

表建议cancouldmaycancouldmustmaymightcan’tneedmustshouldhadbetter情态动词表请求情态动词含义回答can请求could

的请求may请求，只用于.

更委婉第一人称e.g.-CanIparkmycarhere?-Yes,youcan./No,youcan’t.肯定：can否定：can’te.g.-Couldyoulendmeyourpen?-Yes,Ican./No,Ican’t.e.g.-MayIborrowyourmobilephone?-Yes,youcan./No,youcan’t.真题再现1.---

Iaskyouaquestion,please?---Yes,please.A.MayB.MustC.NeedD.Will2.

youwaitafewmoreminutes?It’llbeyourturnsoon.（2015年）

A.MustB.ShouldC.CouldD.Need

表能力情态动词含义回答can肯定：否定：could肯定：否定:e.g.Mydogcanswim.e.g.IcouldswimwhenIwas20.BownowIcan’t.现在具备某种能力

can的过去式过去具备某种能力can--Canyouswim?--Yes,Ican./No,Ican’t.can’te.g.--Couldyouswimwhenyouwere20?--Yes,Icould./No,Icouldn’t.couldcouldn’t练习1.Ihavetraveledalot.I

speakfourlanguages.A.canB.mayC.mustD.need2.--

youspeakEnglishwhenyouwere8yearsold?--Yes,I.

A.can;canB.may;canC.must;couldD.could;could表推测情态动词含义mustmaymight

can’te.g.Themanmustbeherhusband.e.g.Themanmaybeherhusband.e.g.Themanmightbeherhusband,butIamnotquitesure.e.g.Themancan’tbeherhusband.Shecalledhisdad.一定，肯定，表达肯定推测也许，可能与may类似，可能性低于may不可能，表达否定推测

可能性大可能性小真题再现1.--It’sSundaytomorrow.Whatareyougoingtodo?--I

gohiking,butI’mnotsure.(2021年)A.needB.shallC.mightD.must2.He

beMike’sfather.Ihaveseenhimmbefore.

A.mustB.mayC.can’tD.need表义务情态动词含义否定形式否定含义回答need肯定：否定：e.g.-NeedIpaythebillnow?-Yes,youmust./No,youneedn’t/don’thaveto.need作情态动词一般只用于问句和否定句

有必要needn’t不必mustneedn’t/don’thaveto

need作实义动词，needtodosth需要做某事;needtobedone需要被做表义务情态动词含义否定形式否定含义回答must肯定：否定:e.g.Imustdomyhomeworkfirst.BecauseIwanttogetbettergrades.--MustIgonow?--Yes,youmust./No,youneedn’t/don’thaveto.必须mustn’t禁止mustneedn’t/don’thaveto

真题在线1.Janesaysthatwe

nottouchthesnakeasitisverydangerous.(2002).A.needB.canC.mustD.would2.WiththeAIlock,you

takekeyswithyouanymore.Isn’titcool?A.shouldn’tB.can’tC.needn’tD.mustn’t3.--Mustwefinishtheworkrightnow?--No,you

.Youcandoittomorrowifyoulike.A.couldn’tB.needn’tC.mustn’tD.can’t表建议情态动词含义否定形式否定含义should

hadbetter

e.g.Youshouldwearafacemask.e.g.Youshouldn’tbesocareless.e.g.You’dbetterstayathomeforaweek.e.g.She’dbetternottouchhermouth.应该shouldnotshouldn’t不应该最好+动词原形hadbetternot最好不要+not+动词原形练习：1.You’dbetter

yourhandsbeforemeals.A.towashB.washC.notwshD.washing2.Onceyouhaveaplan,you

takeactionstoachieveit,oryouwillsurelyregret.

A.wouldB.shouldC.couldD.might补充：shall/should(1)shall常用于主语是第一人称的疑问句中，表示征求对方的意见或表示请求。Shallwegoforawalk?

(表示提建议)ShallIclosethewindow?我可以关上窗户吗?(2)should除了可以是shall的过去式外,还有“应该”的含义,表示义务和责任。Heshouldn'thavelonghair.他不该留长发。Weshouldn'twastewater.我们不应该浪费水。Weshouldfollowthetrafficrulestokeepallofussafe.我们应该遵守交通规则以确保我们都安全。6.will/would(1)用于多种人称,表示意愿。Shewillhelpus.她愿意帮助我们。Hesaidhewouldraisemoremoneyforthecharity.他说他愿意为慈善机构募集更多的资金。(2)will或would用于第二人称的一般疑问句,主要表示征求对方的意见或表示建议。would比will语气更委婉Willyoupleasehelpmecarrythebox?你愿意帮我搬这个箱子吗?Wouldyouliketohaveacupofteawithmethisafternoon?今天下午你愿意和我一起喝茶吗?情态动词+havedone的用法1.musthavedone

过去一定做过某事E.g.Itmusthaverainedlastnightforthegroundiswet.2.couldhavedone过去本来能够做某事却没有做E.g.Hecouldhavepassedtheexam,buthewastoocareless.

3.shouldhavedone过去本来应该做某事却没有做E.g.Youshouldhavebeenherefiveminutesago.4.needn’thavedone过去本没有必要做某事却做了E.g.Ineedn’thaveboughtsomuchwine-only5peoplecame.真题再现：1.Theweatherturnedouttobefineyesterday.I

thetroubletocarrymyraincoatwithme.（2022年)

A.shoudhavetakeB.couldhavetakenC.needn’thavetakenD.mustn’thavetaken2.Wedidn’tfinishtheworkontime.You

ussinceyouwerethere.(2025年)A.mighthelpB.shouldhelpC.couldhavehelpedD.musthavehelped3.Harryisfeelingdizzy.He

toomuchatthepartylastnight.(2024年)

A.coulddrinkB.shoulddrinkC.wouldhavedrunkD.musthavedrunk

Practice1.—________yougivemeahand?Ican'tmovetheboxbymyself.

—Noproblem.

A.Could

B.Should

C.Must

D.Need2.—IsthisbookLinda's?

—It________behers.Sandy'snameisonthecover.

A.can't

B.mustn't C.needn'tD.shouldn’t3.Youhaven'teatenallday.You________beveryhungry.A.couldn'tbe B.can't C.might D.must4.—Mum,whydoIhavetowashhandssomanytimesaday?

—Foryourhealth,you______betoocareful.A.can’t

B.shouldn’t

C.mustn’t

D.needn’t5.Children________betoldnottoswimaloneintheriver.

A.can

B.may

C.must D.might6.—Jim,Isawyourmotheryesterday.—It________beher.Sheisworkingabroad.

A.mustn't B.can't C.shouldn't D.couldn't当堂总结情态动词用法表请求can请求could更委婉的请求may请求，只用于第一人称表能力can现在具备某种能力couldcan的过去式，过去具备某种能力表推测must一定，肯定，表达肯定猜测may也许，可能might与may类似，可能性低于maycan’t不可能，表达否定推测表义务need有必要must必须（强调主观语气)表建议should应该hadbetter最好，后+动词原形实义动词助动词系动词情态动词

Summary动词习题检测第四部分Practice

1.

—Mustwecleanthehousenow?—No,you______A.needn'tB.maynotC.mustn'tD.can't2.

Thepublicsigninthelibrarymeanspeople______smokethere.A.couldn'tB.couldC.mustn'tD.mustPractice

4.

Johnny,you______playwiththeknife,you______hurt(伤害)you.A.won't;can'tB.mustn't;mayC.shouldn't;mustD.can't;shouldn't5.

—Oh,thetoothacheiskillingme.—You______gotoseethedentistassoonaspossible.A.couldB.wouldC.mightD.shouldPractice

6.

—MustIfinishmybookreportatonce?—No,you

.It’sdueinaweek.A.mustn’tB.needn’tC.can’tD.couldn’t7.

—Cindy,whyareyousosleepy?You_____gotobedearlyatnight.—Ithinkso.A.can