中職高中英語情態(tài)動詞

語法專題情態(tài)動詞的用法情態(tài)動詞的基本用法特點(diǎn)1）情態(tài)動詞除ought和have外，后面只能接動詞原型。

2）情態(tài)動詞沒有人稱，數(shù)的變化，即情態(tài)動詞第三人稱單數(shù)不加-s。

3）情態(tài)動詞沒有非謂語形式，即沒有不定式，分詞，等形式。我們學(xué)過哪些情態(tài)動詞呢1can/could/beableto2may/might3must/haveto4shall/should5will/would6need/dare7oughtto1can/could/beableto1Someofuscanusecomputersnow,butwecouldn'tlastyear.（能力）2Itwillbesunnyinthedaytime,butitcanrainlateronthisevening（客觀可能性）3---CanIgonow?yes,youcan（請求和允許）4Couldyouwaitafewdaysforthememory?（請求）51Canthisnewsbetrue?2Itcan'tbeourheadmaster.hehasgonetoBeijing.（表推測，主要用于否定和疑問）*beableto

能用于各種時態(tài)。

can/could

只能表示現(xiàn)在或過去的能力。*was/wereableto:“設(shè)法做成某事”

相當(dāng)于managedtodosth.succeededindoingsth.。1.can與beableto有何區(qū)別？1.Acomputer______thinkforitself;itmustbetoldwhattodo.A.can’tB.couldn’tC.maynotD.mightnot2.Thefirespreadthroughthehotelveryquicklybuteveryone______getout.A.hadtoB.wouldC.couldD.wasabletoAD3.Theywill______runthismachineontheirowninthreemonths.A.canB.couldC.mayD.beabletoD2may/might1MayIwatchTvaftersupper?Yesyoumay/No,youmustn't.（請求許可)2Itmaybetrue./shemaycometomorrow/Hemighthavesomefever（推測）3Mayyousucceed!Mayyouhavemanymoredaysashappyasthisone（祝愿）may/mightaswell

還是-----好wemayaswellstaywhereweare4.—CouldIborrowyourdictionary?—Yes,ofcourseyou_______.A.mightB.willC.canD.should5.—MightIwatchTVaftersupper?—Yes,you________.A.mayB.mustC.mightD.canCA3must語haveto的用法1Youmustcometoschoolontime.Youmustn'twasteanymoretime（必須,禁止）2MustIcomebackbeforeten?Yes,youmust.No,youneedn't./don'thaveto3Itmustbeourheadteacher.Youmustbehungryafteralongwalk.（推測)4Ireallymustgonow.Ihavetogonow,becausemymotherisinhospital.(不得不）6.You______returnthebooknow.Youcankeepittillnextweekifyoulike.A.can’tB.mustn’tC.needn’tD.maynot7.Johnny,you______playwiththeknife,you______hurtyourself.A.won’t;can’tB.mustn’t;mayC.shouldn’t;mustD.can’t;shouldn’tCB8.--Willyoustayforlunch?--Sorry,_____.Mybrotheriscomingtoseeme.A.Imustn’tB.Ican’tC.Ineedn’tD.Iwon’t9.--MayIpickaflowerinthegarden?--________.A.No,youneedn’tB.Not,please.C.No,youmustn’tD.No,youwon’tBC4shall與should1用于一，三人稱疑問句表示征求對方的意見和向?qū)Ψ秸埵維hallthedriverwait?Whatshallwedonext?2用于二三人稱陳述句表示命令警告，允諾，威脅以及法律條文規(guī)定Youshallgowithme/HeshallbepunishedYoushallhavethebookwhenIfinishitAllthechildrenshallgotoschoolattheageofseven.3表示勸告和建議Youshouldstudyhard.4表推測Theyshouldhavearrivedbytwoo'clock5用于if條件句表示萬一AskTomtoringmeupifyoushouldseehim.ShoudIbefreetomorrow,Iwillcome.6表竟然Idon'tknowwhyyoushouldbesorudetoyourmother10.Tom’sfatherpromised,“You___haveanewcomputerifyoupassthecomingexamination,”A.canB.shouldC.shallD.mayC

11.------WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.-----They_____bereadyby12:00.(A.canB.shouldC.mightD.needB

12.YououghttohavehelpedhimwithhisEnglish,____you?A.won’tyouB.oughtnotyouC.shouldn’tyouD.wouldn’tyouC5will與would的用法1表示意志和意愿Iwillneverdoitagain.Theysaidthattheywouldhelpus.2表請求，建議Willyoupleasetakeamessageforme?Wouldyoupleasepasshimthebook?3表功能Thismachinewon'twork.4表示習(xí)慣性動作與usedto有何區(qū)別Fishwilldiewithoutwater.Everyevening,hewouldsitbythewindow.6need語dare的用法既可做實(shí)意動詞又可做情態(tài)動詞。做情態(tài)動詞用于否定和疑問句而做實(shí)意動詞可用于肯定，否定疑問Howdareyousaysuchathing?Howdareyoutosaysuchathing?Hedaren’ttospeakEnglishbeforesuchacrowd,didhe?Hedaren’tspeakEnglishbeforesuchacrowd,darehe?13.She_____outaloneatnight.()A.darenottogoB.daresnotgoC.doesn’tdaretogoD.doesn’tdaresgoC7oughtto的用法1表應(yīng)該與should的區(qū)別Yououghttotakecareofhim.Youarehisfather.Yououghttogethimtoreceivegoodeducation2表推測Heoughttobehomebynow.Hemustbehomebynow.一情態(tài)動詞+完成時表對過去的推測1musthavedone（僅用于肯定句)2can't/couldn'thavedone(用于否定疑問句）3mayhavedone（肯定，否定均可)4mighthavedone（肯定，否定均可)二表虛擬1should/could/would/mighthavedone三needn'thavedonewouldratherhavedonehadbetterhavedone14Jenny____withhimatthattime,forIwashavingdinnerwithherinmyhome.()A.can’thavebeenB.mustn’thavebeenC.mustbeD.maybe

A

15.TheyaredisappointedattheEnglishparty.Theysaythatit___betterorganized.()A.hadbeenB.hadtobeC.musthavebeenD.couldhavebeenD16.----Didyouwalkedhomebyyourselflastnight?----Yes,Idid.ButIthinkI_____.()A.needn’tB.shouldn’tC.maynothaveD.needn’thaveD17.We______lastnight,butwewenttotheconcertinstead.A.musthavestudiedB.mightstudyC.shouldhave