Unit1Newspapers（language--情態(tài)動詞）情態(tài)動詞情態(tài)動詞本身有一定的含義,

但不能單獨作為句子的謂語,

必須后面緊跟動詞原形

情態(tài)動詞沒有人稱和數(shù)的變化．１．能，會

表示“能力”can/could(現(xiàn)在時／過去時）IcansingEnglishsongs.IcouldsingEnglishsongsattheageoffive.can,could2.可以表“許可”常用于口語之中=may.a.Youcanborrowmypenifyouhaven’tany.=Youmayborrowmypenifyouhaven’tany.b.---CanIuseyoureraser?---Yes,youcan.No,youcan’t.3.可能canbe/can’tbe表“猜測”用于疑問句或否定句之中.a.---Canthestorybetrue?---No,itcan’tbe.b.Hecan’tbeathomenow,ishe?可以表“許可”

---MayIcomein?---Yes,please.may---MayItakephotoshere?---Yes,you

may./can---No,you

mustn’t.可能maybe表“推測”.常用于肯定句中.---WhereisTom?---Hemaybeinthereadingroom,forhelikesreadingthere.ImaybeateacherwhenIgrowup.=MaybeIwillbeateacherwhenIgrowup.must

1.一定，必須---Must

wehandinourexercisesthisafternoon?---Yes,you

must.

---No,you

needn’t./don’thaveto.2.肯定…mustbe/mustn’tbe表肯定的猜測Hemaybeathief.(可能）Hemustbeathief.（一定）He

mustbeateacher,isn’the?

---Thisstorymust

betrue,forIreaditinShenzhenDaily.

---What’she?---Hemustbeascientist,forheknowsmuchaboutscience.must/maybe+名詞/形容詞/介詞短語

---WhereisKen?---Hemust

beinthelibrary.Isawhimtherejustnow.表示猜測maybe(可能是）mustbe(一定是)mustn’tbe(不一定是）can’tbe(一定不是）4.表示需要need

(1)need作行為動詞這時need就象其他動詞一樣,有第三人稱單數(shù)needs,也有過去式needed1.needtodosth

Heneedstobuyapairofshoes.Doesheneedtobuyapairofshoes?Hedoesn’tneedtobuyapairofshoes.Whatdoesheneedtobuy?exercise:Theyneededourhelp.

2.needsthtodosth

Ineedabiketogotoschool.3.needsth

Sheneedsalotofmoney.Shedoesn’tneedalotofmoney4sth.needdoing=

sth

needtobedoneMyhairneedswashing.Myhairneedstobewashed.Youneedn’treturnthebooknow.Needhegoyesterday?---Yes,hemust./No,heneedn’t.

（2）Need作情態(tài)動詞時，過去式也是need,多用于否定或疑問結構，一般不用于肯定句，表示“必要”。沒有必要needn’t=don’tneedto=don’thaveto

May…?Must…?Need…?No,sb.can’t/maynot/mustn’t.No,sb.needn’t/don’thaveto.Yes,sb.must.No,sb.needn’t.He______moneynow.(need)______she______tobringthebookhere?(need)They______gotoworkthatday.(notneed)Theboy________anyhelp.(notneed)needsDoesneedneedn’t/didn’tneedtodoesn’tneed5.表示責任should,oughtto(應該)You_______workhardatallyoursubjects.=You___________workhardatallyousubjects.shouldoughtshouldn’t,oughtn’ttoto---Oughtyoutoobeytherules?---Yes,yououghtto.---No,youought

not

to.6.Would作為情態(tài)動詞，多于請求。Wouldyoupleasesingusasong?Wouldyoulikeacupoftea?Wouldyouliketojoinusfordinner?Wouldyoumindourhavingapartyinthisroom?=Wouldyoumindifwehaveapartyinthisroom?Iwouldliketodosth

=I’dliketodosthIwouldnotliketodosthIwouldratherdosth

=I’dratherdosthI’drathernotdosthLet’sdotheexercises1.What____Idoforyou,Madam?shallB.canC.mayD.will2._____climbthattalltree?A.DoyouneedB.DoyouneedC.NeedyouD.NeedyoutoBC3.---_____Istophere,sir?---No,Goontothenextparagraph,please.A.WillB.MayC.CouldD.Ought4.Ourteachersareatwork.You_____makesomuchnoiseA.mustn’tB.doesn’tC.needn’tD.isn’t

BA5.I’mafraidit____raintonight.A.canB.couldC.maybeD.might

6..---NeedIstartfromthebeginning?---Yes,you______A.needB.canC.mayD.mustDD7.---MustIwritedownthesewordsnow?---No,you______A.needn’tB.mustn’tC.maynotD.can’t8.Somewarm-heartedanimals___hibernate(冬眠)A.needn’tB.doesnotneedtoC.needn’ttoD.don’tneed

AA9.---Look,it_____beLaoWang.---No,it___behim,forhehasgonetoShanghai.may;mustn’tB.must;mayC.must;can’tD.can;maynot10.I____likesomeonetotakemetothetheatreA.willB.mayC.wouldD.shallCC11.---Ican’tfindTomanywhereintheoffice.---Where_____hehavegone?A.mustB.canC.shouldD.need12.We____diewithoutairorwaterA.willB.shallC.shouldD.wouldBA13.Thispenlookslikemine,yetitisn’t.Whose___itbe?A.mustB.canC.wouldD.will14.____Igoandapologizetomyteacherformymistake?A.ShouldB.NeedC.CanD.May15.“_______heopenthedoor?”

A.ShallB.WillC.CanD.WouldBAB16.Parentsmusttakegoodcareoftheirchildren,_____they?A.mustn’tB.don’tC.needn’tD.aren’t17---____Igetthereontimetoday?---No,youneedn’tA.CanB.MayC.MustD.ShouldCC18.Ateacher____doeveryexercise,butapupilmust.maynotB.needn’tC.can’tD.mustn’t19---Willyoupleasegiveheramessagewhenyouseeher?----Yes,I______shallB.willC.wouldD.shouldBB20.---Wouldyoucomebacklaternexttime?----No,I_____A.shan’tB.shouldn’tC.won’tD.mustn’t21.---Mustwefinishcopyingallthesehomeworkthisevening?---No,you______A.mustn’tB.haven’tC.nothavetoD.don'thavetoCD22.---CouldIborrowyourdict