情態(tài)動詞外研版英語九年級中考語法復習Lesson6情態(tài)動詞考點分析情態(tài)動詞的類型

功能情態(tài)動詞(1)只做情態(tài)動詞must,can(could),may(might),oughtto(2)既作情態(tài)動詞，又作實義動詞

（需要）(3)既做情態(tài)動詞，又作助動詞will(would),shall(should)(4)具有情態(tài)動詞特征的短語haveto/hasto,hadbetter注意：would,should,could,might等過去時有時不表示過去時，而是表示更委婉、客氣的語氣。need情態(tài)動詞的特征特征例句(1)有一定詞義，但不能單獨作謂語，必須和行為動詞或系動詞連用Phelpscanswimlikefish.(2)無人稱和數的變化(haveto除外，用于三單時用hasto)Shemayloseherway.Hehastostayhere.(3)后接動詞__________Youmustfinishyourhomeworkfirst.(4)具有助動詞的作用，可用來構成否定句、疑問句及簡明答語-CanyousinganEnglishsong?-Yes,Ican.原形can,could的用法

用法例句(1)can表示能力、可能性、允許等。Could是can的過去時。Youcanparkyourcarhere.(表允許)PetercanspeakEnglish,French,andGerman.(表能力)Anybodycanmakemistakes.(表可能性)(2)could用于委婉地提出請求、建議等，回答時用can。-Couldyoushowmethewaytothehospital?-OfcourseIcan.(3)表示懷疑、猜測，常用于_________和疑問句中Thatcan’tbeProfessorLi.HehasgonetoBeijingtoattendameeting.注意：can與beableto的區(qū)別：can只能用于一般現在時和一般過去時，而beableto可用于

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

用法例句(1)表示請求、許可，意為“可以”，用于主語為第一人稱的一般疑問句；否定回答用mustn’tMayIborrowyourbook?-MayIgonow?-No,yourmustn’t.(2)表示推測，意為“可能、也許”,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為

(詞性)，后加be動詞，用在句中；maybe為副詞，意為“大概、也許”,相當于perhaps，用于句首情態(tài)動詞must的用法用法例句(1)表示命令，肯定句中意為“必須，一定”；否定句中________表示禁止，意為“不允許”Imustdomyhomeworkfirst.Youmustn’tswimaloneintheriver,becauseit’sreallydangerous.(2)以must開頭的一般疑問句，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表示推測，意為“肯定是”,否定用can’t表示“一定不是”-There’ssomeoneknockingatthedoor.ItmustbeJim.-No,itcan’tbehim!HeisonvacationinCalifornianow.注意：must與haveto的聯(lián)系與區(qū)別①must與haveto都表示必須，常可互換；②have/hasto強調客觀需要，意為“必須，不得不”;③must強調主觀看法，意為“必須，應該”mustn'tneedn't6.need的用法

用法例句(1)needtodosth.表示需要做某事，need是實義動詞，有三單形式，否定須借助助動詞Lilyisbadatmaths,sheneedstohavesomeextralessonsafterschool.Youdon’tneedtofinishyourworkinsuchashorttime.(2)need+v原表示需要做某事，need是情態(tài)動詞，無三單，否定為needn’tYouneedn’tcometoschoolsoearly.(3)sth.needdoing表示被動，某物需要被…Thecarisbroken,soitneedsrepairing.7.shall(should),will(would)的用法用法例句(1)shall用于第一人稱表示征求意見、詢問ShallIopenthewindow?Shallwehavelunchhere?(2)should常用來表示義務、責任Weshouldobeytrafficlaws.(3)will用于第二人稱表示詢問、請求，也可以表達現在的“意愿”Willyoupassmethebook?Wewilldoanythingforyou.(4)would用來表示過去的意愿或委婉詢問Wouldyoutellmethewaytothestation?8.hadbetter的用法“hadbetter+v.”表示“最好做某事”,否定用hadbetter______

You’dbetterstayathome.You’dbetternotgooutaloneatnight.notdo情態(tài)動詞真題鏈接一、單項選擇題。()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、用正確的情態(tài)動詞填空。1.Thesweater__________belongtoJim.It’smuchtoolargeforhim.2.You____________playinthestreetbecauseit’seasytohaveanaccident.3.—Excuseme,____________Itakethemagazineoutofthereadingroom?—Sorry,youcan’t.