1、學習好資料歡迎下載情態動詞的語法特征1)情態動詞不能表示正在發生或已經發生的事情，只表示期待或估計某事的發2)情態動詞除ought和have外，后面只能接不帶to的不定式。3)情態動詞沒有人稱，數的變化，即情態動詞第三人稱單數不加s4)情態動詞沒有非謂語形式，即沒有不定式，分詞，等形式。1、表示能力:can/could,beableto(+do)1) can和beableto的區別：觀察以下W句，可知can只能用于和；beableto可用于各種時態。eg:Ican/amabletospeakEngli她能說英語。Hecould/wasabletoeatfourpiecesofbreadwhen

2、hewasyoung.Theywillbeabletofinishthehouseworksoon.2) Can/couldyou+動原+其它?表示征求對方意見或提出請求，表示委婉語氣，但在這個句型里could比can更委婉。但要注意它的回答用can不用could.Eg:-Couldyouhelpme?-Yes,Ican.2、表示許可：may/might,can/could!一定要注意：以may開頭的疑問句的否定一例如：-MayIcomein?Yes,youmay./No,youcan't=No,youmustn't.3、表示必須、必要:must,havetolfe示;need

3、n，表示。Eg:Youmust/havetofinishtheworW須完成這個工作。1)觀察以下句子，我們可知must表示說話人的;haveto表示。Eg:Imustgohome我必須回家；Hehastogiveupsmokingbecauseofbadlycou§h.j咳嗽，他不得不戒煙。3) 觀察以下句子，我們可知mustn'表示，譯為；don'thaveto譯為。Eg:Youmustn'beather.你不準打她。-MustIfinishmyhomeworknowes,youmust./Nyouneedn=youdon'thaveto俄必須現在

4、完成作業嗎？-是的，你必須完成。/不，你不必了。4、表示推測:must,can,could,may,might.Eg:Yourunforhours,youmustbeverytirfedfi了幾個鐘，你一定很累了。Itcan'beJohn.HehasgonetotheUKm能是John,他已經去了英國。Whocanitbe?-Itmay/could/mightbeJack.Itlookslikehim.-W能是誰呢？-可能是Jack,看起來像他。觀察以上各句總結：肯定推測譯為;否定推測譯為;疑問推測有個譯為;可能性推測用。及時訓練并歸納最常考情態動詞的用法：1、-Wouldyoulik

5、etogofishingwithme?-Yes,/。2、-MayIputthesethingshere?-Yes,/No,3、-Mustwehandinourhomeworktoday?-YesJ/No,4、-Look!Someoneiscoming.Itbeourclassteacher.(用must/can/could/may/mighfi)-Itbehim.HehasgonetoBeijing.1 .中考怎么考？I1. Look!I'vechosensomanyithier_Doyouknowalltheseshould(付學習好資料歡迎下載款）inUSdollars?（pay）

6、2. Shallwetakeataxi?No,we.It'snotfarfromhere.A.can'tB.mustn'tC,shouldn'tD.needn't3. WhoseT-shirtisthis?ItbeJohn's.It'smuchtoosmallforhim.A.mayB.mustC.can'tD.shouldn't4. Whatshouldwedoaboutthetrash?It（65）（必須帶走）whenyouleave.（take）2 .中考考什么7r1. 情態動詞的用法：情態動詞后+動詞原形例：You

7、mustfinishthework.否定句：情態動詞+not例：Hecannotcarrythebox.2. can能力,許可"例：Hecanswimnow.（能夠）can't=cannot=can拈也”例：“Hecan>swimnow.不能）couldcould是“can過去式"例：Hecouldswimthreeyearsago.could還可以表示客氣委婉的語氣或請求”，用在疑問句中。回答時用can。例：CouldJimlendmehisbike?Yes,hecan.can和beabletoft表示能力”上意思相同，差別木大。can只有現在和過去兩種形式

8、，而beableto有更多的時態形式例：Noonecandoit.=Nooneisabletodoit.I，msorryIhaven'tbeeewiblwourletter.3. may可以,許可，"例：MayIborrowyourruler?maynot也許不”例：TodayJimmaynotcometoourparty.01.Ifollowyou.Wouldyoupleaserepeatit?A.can'tB.mustn'tC.needn'tD.shouldn't02.Tforgottobringmydictionary.CouldIuse

9、youbfes,you.A.canB.mustC.couldD.should03.-PaulinehaslostherphoneNo.It'sbagherhearit.A.mustB.canC.mayD.shall04.Finishyourhomeworkfirst,thenyou'llwatchTVforanhour.A.canB.beabletoC.ableDcould05.IIhavelunchnow,MonNb.Youmustwashyourhandsfirst.A.WouldB.MayC.Oughtto06.Haveyoudecidedwheretogoforyour

10、summervacation?-Notyet.WegdoQingdao.It'sagoodplaceforvacation.A.mayB.needC.must07.youpleasegivemeahand?Theboxistooheavy.D.NeedA.ShouldB.CouldC.Must4. must必須"例：Youmustfinishtheworktoday.mustnot=mustn不可以，”應該"例：Youmustn'lendthebooktosomeoneelse.must和haveto都表示必須，must強調主觀看法，haveto強調客觀事實

11、需要。must只有現在和過去兩種形式，而haveto有更多的時態形式例:Imustfinishthework.（主觀上想完成）Myteacherwillcometomyhome,soIhavetocleanmyr/-4yoo要來是客觀原因）Wewillhavetofinishthework.（用于將來時用haveto而must則不能）5. need必.H，必定"例：Youneedstarttheworknow.needn't=neednW例：Weneed'hurry.need還用作實意動詞，有反種變化例：Heneedstoknowit.（肯定句）Hedoesn'

12、;tneedtoknow（否定句）學習好資料歡迎下載Doesheneedtoknowit?一般疑問句）6. haveto呦詞原形，表示必須做-"。例：Hehastofinishhishomeworkatfirst.Hedoesn'havetofinishhishomeworkatfirst.TheboyshavetofinishtheirhomeworkatfiiTheboysdon'thavefitoshtheirhomeworkatfirst.01.Dad,mustwewaituntilthelightbecomesgreen?-Yes,I'mafraid

13、we.That'sthetrafficrule.A.canB.mayC.havetoD.need02.Excuseme,mayIkeepthebookalittlelongerSorry.Youreturnittoday.A.mustB.mustn'tC.canD.can't03.Childrensitinthefrontseatofacar.It'stoodangerous.A.needB.needn'tC.mustD.mustn't04.Wepaytogetintotheconcert.It'sfree.A.can'tB.mu

14、stn'tC.mightnotD.don'thaveto7 .情態動詞的一般疑問句的回答有變化Canheswim?Yes,hecan.No,hecan:tMayIwatchTVnow?Yes,youmay（can）.No,youmustn'或.can:tMustIfinishtheworknowYes,youmust.No,youneedn:=youdon'thaveto01.MustIwatertheflowersnow,mutfNb,you.Youdoitlater.A.mustn't;mustB.mustn'tymaC.needn'

15、t;mayD.needn't;must02.MayItakethismagazineoutofthereadingroofhlo,you.Youreaditinhere.A.mightn'tB.won'tC.needn'tD.mustn't03.CanIparkmycarinfrontofthebuilcHnig?,you.A.won'tB.can'tC.needn'tD.couldn't04.MayIplaycomputergames,MonNb,you.A.don'tB.can'tC.wouldn

16、9;tD.won't05.MayIsmokehere?No,you.Thisisano-smokingroom.A.needn'B.mustn'C.couldn'D.wouldn't8 .情態動詞表示猜測情態動詞推測意思mustmust+動詞原形*定是-"maymightmaymight動詞原形也許是-couldcould呦詞原形可能是-"cancan't動詞原形不可能是-"例：Youmustbe川.Icanseeitfromyourfacet（!病了，表示對現在的推測）Johnisabsent.Hemaymight

17、betij必是病了，表示對現在的推測）TheguitarcouldbJem"時能是，表示對現在的推測）Hecan'tbetheroom.（不可能是，表示對現在的推測）01.Whossinginginthegarden?beMr.Brown.Healwayspracticessingingatthistime.A.mustB.can'tC.need02.TsthemanoverthereMr.BrownI?him.Hehasgone-toraziltowatchthe2014FIFAWorldCup.A.maynotB.can'tbeC.shouldn'

18、tD.mustn't03.Bob,whereisLinda?Shebeinthelibrarytbamnotsure.A.mustB.mayC.needD.hasto學習好資料歡迎下載04.WhereareyougoingthismonthWegotoXiamen,butwe'renotsure.A.needn'tB.mustC.mightD.mustn't05.TsMrBrowndrivinghere'mnotsure.Hecomebytrain.A.mayB.shallC.needD.must9. hadbetter動詞原形,表示最好做-"

19、。仔J:Youhadbettertakethebooksaway.否定旬：hadbetter+not動詞原形。例：Youhadbetternottakethebooksaway.10. should+動詞原形，表示應該做-"。例：Theyshouldfinishthehomeworkontime.shouldn表樂不應該-"例：Theyshouldnotfinishthehomeworkatschool.01.It'sratherhotintheroond.betterthewindowsorthedoor.A.closeB.nottocloseC.don'

20、tcloseD.notclose02.Acountryhasdreams.Weteenagersalsohavedreams.Withdreamsandhardwork,anythingamazingcanbecreated.A.mayB.mustC.should一網打盡iI1. IIknowbywhattimeyouwanttheprojecttobedone?-Bythedayaftertomorrow.youfinishitontime?A.May;CanB.Must;NeedC.Could;MustD.Need;Would2. MustIhandinmyhomeworknow,Mr.S

21、mith?you.Aan'B.shouldn'tC.wouldn'Dtneedn't3. Themanisfeelingmuchbetternow,soyoucalladoctoreedn'B.can'tC.mustn'tsDouldn't4. Ifyousmoke,pleasegooutsideA.canB.mayC.mustD.might5. Lookattheparwoig"sign.Youparkaohece.A.shouldB.mustC.needn'D.mustn't6. youleaveno

22、w?YouonlyarrivedhereanhouragoSorry,butsomuchhomeworkiswaitingforme.A.MayB.MustC.CanD.Might7. Hereismyphonenumber.Youcallmeanytimeyoulike.A.BusanC.shouldD.need8. Let'sgdimbing,shallwe?Youbejoking!Don'youknowI'afriaidofhighplaces?A.mayB.canC.mustD.should9. Areyouinterestedinshoppingonlinel

23、?otsomuch.Weseerealproductsbutpictures.A.shouldn'tB.can'tC.mustn'tD.needn't10. CouldyoupleasehaveawalkwithmeSorry,I.Ihavesomethingimportanttodonow.A.mustn'tB.needn'tC.can'tD.maynot11. Lingling,canIuseyoure-dictionarSure.Butyoureturnitafterclass.A.mustB.canC.mayD.would12.

24、Look,someoneleftabook.Oh,yeahThisbookbeKitty's.Onlyshelikestoreadthiskindofbooks.13.14.15.D.might'sinNewYorknow.D.maynot'sthetrafficrule.A.canB.mustC.mayIsthelong-hairedmanBrucelo,itbehim.HeA.can'tB.mustn'tC.needn'tPeoplewaituntilthetrafficbecomesgreen.ThatA.mustB.canC.needD.

25、mayLiLei,hurryup!Thebusiscoming.Oh,no.Wecrossthestreetuntilthetrafficlightsturngreen.學習好資料歡迎下載A.mustn'tB.maynotC.needn'tD.haveto16. HowmanyEnglishwordsdoyouthinkIshouldknowASmanyasyou.Thenyouwillfindreadingquiteeasy.A.willB.mustC.canD.might17. Excuseme,sir.Youopenthedoorbeforethetrainstops.A

26、.mustn'tB.needn'tC.maynotD.don'thaveto18. Youmustn'tgooffonyourown,becauseyougetlostinthemountains.A.shouldB.mustC.needD.might19. Areyouinahurry?NO,I'vegotypbfnimeIwait.A.canB.can'tC.mustD.mustn't20. Ihelpyou,sirYes.IwantaT-shirt.A.CanB.ShouldC.MustD.Would21. Honey,stayho

27、mebeforeIreturn.I,mum.A.mustB.canC.willD.should22. CanIborrowyourrulerplease?-Yes,you.Butyoumustreturnittomebeforelunchtime.A.haveB.canC.mustD.usedto23. Difficultiesalwaysgowithme!Cheerup!IfGodclosesadoorinfrontofyou,therebeawindowopenedforyou.A.wouldB.mustD.couldD.can24. Amy,Ihearyou'vegotmanyf

28、oreigncoins._Ihavealook?Ofcourse,I'foryou.A.MayB.MustC.ShouldD.Need25. 29.Honey,howareyoufeelingnow?ammuchbetter,Mum.Soyoutakemetoseethedoctor.A.can'tB.mustn'tC.needn'tD.couldn't26. CouldyoupleasetellmehowtoimprovemyspokenEnglish?-Certainly,I.A.canB.couldC.must27. ()Excuseme.Howc

29、anIgettotherailwaystation?-Turnleftandthenfollowyournose.Youmissit!A.mustn'tB.can'tC.shouldn'tD.needn't28. ()MayItakemypetdogwithmeintothecinema?Therulesaysno.Soyou.A.canB.mustn'C.may29. ()亞川youanswerthetelephone?Itbeyourmother.Sorry,I.I'mbusy.A.can,mustnB.twill,can'C.may

30、,can'tD.need,will30. ()Wouldyoupleasehelpmewiththequestions-Sorry.YougoandaskMary.Sheknowtheanswer.A.must,canB.can,mayC.need,canD.must,may31. ()Let'sgototheconcerttonight,Miehadrry,I.Ihavetohelpmymotherwiththehousework.A.mustn'tB.maynotC.needn'tD.can't32. ()Itseemsthatitisgoingto

31、rain.You'dbetterthewindowsopenwh(leavethehouse.A.notleaveB.leaveC.nottoleaveD.toleave33. ()Fourhundreddollarsforapairofshoes!Youbejoking!A.mayB.canC.needD.must學習好資料歡迎下載34. ()Thereissomebodyatthedoor.Igoandseewhoitis?A.ShallB.MustC.W川D?Would35. ()WefightagainstpollutionA.mayB.shouldC.mustn'tD

32、.needn't36. ()IsSimoncomingbytrain?Heshould,buthenot.Helikesdrivinghiscar.A.mayB.shallC.needD.must37. ()Willyoupleasestayherefortheparty?-Sorry,I.I'havetogotoanimportantmeeting.A.mustn'tB.needn'C.can'tD.won't38. ()Ihavetoshowtheschoolreporttomyparents,MissKin-gYes,youdo.A.MustB.DoC.CanD.May39. (