外研英语九年中考语法复习Lesson6情态动词

情态动词外研版英语九年级中考语法复习Lesson6情态动词考点分析情态动词的类型

功能情态动词(1)只做情态动词must,can(could),may(might),oughtto(2)既作情态动词，又作实义动词

（需要）(3)既做情态动词，又作助动词will(would),shall(should)(4)具有情态动词特征的短语haveto/hasto,hadbetter注意：would,should,could,might等过去时有时不表示过去时，而是表示更委婉、客气的语气。need情态动词的特征特征例句(1)有一定词义，但不能单独作谓语，必须和行为动词或系动词连用Phelpscanswimlikefish.(2)无人称和数的变化(haveto除外，用于三单时用hasto)Shemayloseherway.Hehastostayhere.(3)后接动词__________Youmustfinishyourhomeworkfirst.(4)具有助动词的作用，可用来构成否定句、疑问句及简明答语-CanyousinganEnglishsong?-Yes,Ican.原形can,could的用法

用法例句(1)can表示能力、可能性、允许等。Could是can的过去时。Youcanparkyourcarhere.(表允许)PetercanspeakEnglish,French,andGerman.(表能力)Anybodycanmakemistakes.(表可能性)(2)could用于委婉地提出请求、建议等，回答时用can。-Couldyoushowmethewaytothehospital?-OfcourseIcan.(3)表示怀疑、猜测，常用于_________和疑问句中Thatcan’tbeProfessorLi.HehasgonetoBeijingtoattendameeting.注意：can与beableto的区别：can只能用于一般现在时和一般过去时，而beableto可用于

(时态)。HewasabletofleetoEuropebeforethewarbrokeout.Wewillbeabletotravelinspaceinthefuture.否定句任何may和might的用法

用法例句(1)表示请求、许可，意为“可以”，用于主语为第一人称的一般疑问句；否定回答用mustn’tMayIborrowyourbook?-MayIgonow?-No,yourmustn’t.(2)表示推测，意为“可能、也许”,might表示的可能性更小Thechildmaybehomealready.Shemightwintheprize.(3)may放在句首，表示祝愿Mayyoubehappy.注意：maybe和maybemay为

(词性)，后加be动词，用在句中；maybe为副词，意为“大概、也许”,相当于perhaps，用于句首情态动词must的用法用法例句(1)表示命令，肯定句中意为“必须，一定”；否定句中________表示禁止，意为“不允许”Imustdomyhomeworkfirst.Youmustn’tswimaloneintheriver,becauseit’sreallydangerous.(2)以must开头的一般疑问句，肯定回答用must，否定回答用_____

或don’thaveto,表示“不需要”-MustIgohomenow?–Yes,youmust.-MustIfinishmyjobnow?-No,youneedn’t.(3)must表示推测，意为“肯定是”,否定用can’t表示“一定不是”-There’ssomeoneknockingatthedoor.ItmustbeJim.-No,itcan’tbehim!HeisonvacationinCalifornianow.注意：must与haveto的联系与区别①must与haveto都表示必须，常可互换；②have/hasto强调客观需要，意为“必须，不得不”;③must强调主观看法，意为“必须，应该”mustn'tneedn't6.need的用法

用法例句(1)needtodosth.表示需要做某事，need是实义动词，有三单形式，否定须借助助动词Lilyisbadatmaths,sheneedstohavesomeextralessonsafterschool.Youdon’tneedtofinishyourworkinsuchashorttime.(2)need+v原表示需要做某事，need是情态动词，无三单，否定为needn’tYouneedn’tcometoschoolsoearly.(3)sth.needdoing表示被动，某物需要被…Thecarisbroken,soitneedsrepairing.7.shall(should),will(would)的用法用法例句(1)shall用于第一人称表示征求意见、询问ShallIopenthewindow?Shallwehavelunchhere?(2)should常用来表示义务、责任Weshouldobeytrafficlaws.(3)will用于第二人称表示询问、请求，也可以表达现在的“意愿”Willyoupassmethebook?Wewilldoanythingforyou.(4)would用来表示过去的意愿或委婉询问Wouldyoutellmethewaytothestation?8.hadbetter的用法“hadbetter+v.”表示“最好做某事”,否定用hadbetter______

You’dbetterstayathome.You’dbetternotgooutaloneatnight.notdo情态动词真题链接一、单项选择题。()1.—

Canyoudriveontheright-handsideoftheroadinChina?—

_____________.That’sarule. A.Yes,wecan

B.Yes,wemust

C.

Yes,weshould

D.Yes,wemay()2.—IsthatredschoolbagMary’s? —It

____________

behers.Shehatesthatcolor. A.may

B.must

C.can’t

D.might()3.Cars,busesandbikes

_____

stopwhentrafficlightschangetored. A.may

B.need

C.can

D.must()4.—WhereisGeorge? —He

____________

beherejustnow.Hiscoffeeisstillwarm. A.need

B.can’t

C.must

D.shouldn’tBCDC()5.—Mum.MustIcleanthehouserightnow? —No,you

_____________.Youcandoitafterfinishingyourhomework. A.needn’t

B.mustn’t

C.can’t

D.shouldn’t()6.Lookatthesign‘Nophotos’.Itmeansyou_________takephotoshere.

A.can

B.can’t C.should D.must()7.—____________Iswimhere? —I’msorry.Children____________swimalonehere. A.Must;can’t B.May;must C.Can;mustn’t D.Can’t;canABC()8.—Haveyoudecidedwhichseniorhighschooltochoose? —Notyet.I____________gotoMoonlightschool. A.must B.may C.need D.should()9.—IsawKevininthesupermarketthismorning. —No,it____________him.HemovedtoCanadalastweek. A.canbe B.mustbe C.can’tbe D.mustn’tbe()10.—Shallwemeetatthestationat8a.m.? —Infactwe____________.Thetrain____________until10a.m.

A.mustn’t;doesn’tleave B.mustn’t;leaves

C.needn’t;won’tleave D.needn’t;willleaveBCC二、用正确的情态动词填空。1.Thesweater__________belongtoJim.It’smuchtoolargeforhim.2.You____________playinthestreetbecauseit’seasytohaveanaccident.3.—Excuseme,____________Itakethemagazineoutofthereadingroom?—Sorry,youcan’t.