高中情態(tài)動詞虛擬語氣用法總結(jié)課件

Revisionfor

ModalVerbs

1●ThebasicusesofModalVerbs

6、Dare

7、Need8、oughtto

1、Can/could

2、May/might3、Must4、Shall/should

5、will/would

21.Can表示能力Theparrotcanspeakthreelanguages.表示允許CanIborrowthebookfromthelibrary.表示可能性ShanghaicanbeverycoldinMarch.Could過去式；語氣更委婉2.Can與beabletoCan表示一般能力，而beableto表示經(jīng)過學(xué)習(xí)訓(xùn)練可以達到的能力。3May表示可能性表示允許表示祝愿Might過去式；語氣更委婉Eg.1.Shemaybestillwaitingforus.

2.MayIcomein?3.Mayyouhaveahappyholiday.41.Must表示肯定的猜測,但只用于肯定句，而mustn’t表示“禁止、不準(zhǔn)”Eg:Shemustbethere.Youmustn’tsmokehere.2.Must、havetoMust表示主觀Haveto表示客觀需求“不得不….”Eg:1.Youmusteatitup.2.It’sraining,wehavetogohome.5Shall/should

1、第一、三人稱疑問句中表示“請求或征求對方意見。Eg.ShallIgetyouacupofcoffee?2、第二、三人稱陳述句中表示命令/警告威脅“應(yīng)該，必須”Eg:Youshouldbehereontime.should過去式語氣更委婉6Will/would1、表示意愿

I’lltrymybesttoworkoutthedifficulty.2、表示意圖Whatwillyoudo?3、表示請示

Willyouhelpmetoputthesebooksinorder?71、情態(tài)動詞:用于否定、疑問句、條件從句中。

eg.

1.Idarenotswim.(darenotdosth)2.Howdareyoudosuchfoolishthings?3.Iwon’tallowyoutoswimintheriver,evenifyoudaredoit.Dare2、實意動詞:后加不定式。

eg.Shedarestojump.

8Need1、情態(tài)動詞用于否定句，疑問句。Eg:Youneedn’tfinishyourhomeworktoday.NeedIcomehomeearly?2、實意動詞用法似dare,用作不定式。

Maryneedstofinishreading.9Oughtto1、應(yīng)該……

一般可與should互換

Eg:Lindyhasabadcold,weoughttovisither.2、其否定式為oughtnottoEg.Theoldoughtnottoeattoomuchsugar.101、情態(tài)動詞的過去式與原形相比，多點禮貌，少點冒昧，語氣更為委婉。2、情態(tài)動詞在一般疑問句中的回答：①Canyousing?②MayIcomein?③MustIhandinthebooknow?④NeedIfinishitnow?Yes,Ican.No,Ican’t.Yes,youmay.No,youmustn’t.Yes,youmust.No,needn’t/don’thaveto.Yes,youmust.No,youneedn’t.11Thesubjunctive

mood

12定義：用來表示說的話不是事實，或者是不可能發(fā)生的情況，而是一種愿望，建議，假設(shè)的語氣叫虛擬語氣。13一、虛擬語氣在條件狀語從句中的用法（if條件句）現(xiàn)在過去未來did/werehaddonewould/could/should/might+V.(原)would/could/should/might+have+p.p.1.did/were2.shoulddo3.weretodowould/could/should/might+V.(原)Eg:IfIwereyou,Iwouldworkharder.Eg:IfIhadworkedhard,Iwouldhavepassedtheexam.Eg:1.Ifsheshouldnotcometomorrow,weshouldputoffthemeeting.

2.Ifitweretosnow,Iwouldbeprettyhappy.

從句

主句14Ifyou__________tomorrow,you_________findthenewmanagerworkingintheoffice.A.shouldcome;wouldB.wouldcome;wouldC.willcome;shouldD.comes;mightAIftheparents______atthehospitalearlieraftertheaccident,thechildwouldhavebeensaved.A.arrivesB.arriveC.hadarrivedD.hasarrivedC15Ididn’tseeyoursisteratthemeeting.Ifshe__________,shewouldhavemetmybrother.A.hascomeB.didcomeC.cameD.hadcomeD

Ifmylawyer_______herelastSunday,he_______mefromgoing.A.hadbeen;wouldhavepreventedB.hadbeen;wouldpreventC.were;wouldpreventD.were;wouldhavepreventedA16Ifyouhadtoldmeinadvance,I__________himattheairport.A.wouldmeetB.wouldhadmeetC.wouldhavemetD.wouldhavemeet

CIftherewerenorsubjunctivemood,English_____mucheasier.A.WillbeB.wouldhavebeenC.couldhavebeenD.wouldbeD17二、虛擬語氣特殊句型：wish

+賓語從句現(xiàn)在：過去：未來：過去時(did/were)過去完成時(haddone)would/could/might+V.shouldIwishIwereabird.(現(xiàn)在)IwishIhadn’tmadesuchamistake.(過去)Wewishourparentswouldn’tpunish(懲罰）us.(未來)18Exercises:“HaveyouvisitedtheScienceMuseum?”“No,butIreallywishI_______.”

A.had B.did C.have D.willAIdidn’tgototheparty,butIdowishI_____there.A.wasB.wereC.hadbeenD.wentCIwishI_________youyesterday.A.seeB.didseeC.hadseenD.weretoseeC

19Thepictureexhibitionboredmetodeath.IwishI___________toit.A.hadn’tgoneB.haven’tgoneC.didn’tgoD.couldnothavegoneAHowIwishI__________that!Everybodypresentwasangrywithme.A.didn’tgoB.hadn’tdoneC.wouldn’tdoD.wasn’tdoingB20-----Heisabraveman.-----Yes,IwishI_________hiscourage.A.HaveB.hadC.willhaveD.wouldhaveBTomcantakehiscarapartandputitbacktogetheragain.Icertainlywishhe_____mehow.A.teachesB.willteachC.hastaughtD.wouldteachD21HowIwishI_________suchagoodchancebefore.A.didn’tseeB.hadn’tmissedC.metD.havegotBIwishtherain_________stop.A.willB.wouldC.mayD.canB222.wouldratherthat--現(xiàn)在：過去：未來：Iwouldratheryoupaidmenow.(現(xiàn)在)Iwouldratheryouhadgone,too.(過去)Don’tcome.Iwouldratheryoucametomorrow.(未來)過去時過去時過去完成時233.asif/though+從句現(xiàn)在：過去：過去時過去完成時Helooksasifheweredrunk.Theytalkedasiftheyhadbeenfriendsforyears.Shelovesthebabyasifitwereherownson.Itseemsasifitwerespring.Irememberthewholethingasifithadhappenedyesterday.24Whenapencilispartlyinaglassofwater,itlooksasifit__________.A.breaksB.hasbrokenC.werebrokenD.hadbeenbrokenCTheactoris58yearsold.Butheactsasifhe_______ayoungman.A.isB.willbeC.amD.wereD25Shesingsasifshe_________aboy.CA.isB.wasC.wereD.areWefeltasifwe_________eachotherforyears.CA.knewB.wereknowingC.hadknownD.haveknowing264.It’s(about/high)time+that--過去時你該走了。我們該睡覺了。It’shightimethatyouwent.It’shightimethatyouweregoing.It’stimethatwewenttobed.275.表示要求，命令，建議的虛擬語氣。賓語從句。常見動詞：一個堅持：insist兩個命令：order,command

三個建議：advise,suggest,propose四個要求：demand,require,request,desire

這些動詞后面的賓語從句要使用虛擬語氣用法。即從句中的動詞使用should+動詞原形，或者將should省略。28我們建議Tom去休息一下。他堅決要求我到場。國王命令囚犯明天要實施死刑。他們要求我們派他們?nèi)ツ莾汗ぷ?。WesuggestedthatTom(should)havearest.HeinsistedthatI(should)bepresent.Thekingorderedthattheprisoners(should)bekilledthenextday.Theyrequestedthatwe(should)sendthemtoworkthere.296.without和butfor構(gòu)成虛擬。(butfor要不是)與現(xiàn)在事實相反，主句would/should/could/might+v原型與過去事實相反，主句would/should/could/might+havedoneWithoutsunlight,people’slifewouldbedifferentfromtoday.Butforyourhelp,Iwouldn’thavefinishedthework.Withoutyourhelp,Iwouldhavefailed.Butforwater,itwouldbeimpossibletoliveinthedesert.307.Ifonly…(要是…就好了)

與現(xiàn)在事實相反用過去式與過去事實相反用過去完成時與將來事實相反用should/could/would/might+v原型IfonlyIknewhisname!Ifonlywehadfollowedyouradvice!IfonlyIcouldseehimagain!要是我們的父母能和我們住在一起就好了。要是我沒錯過火車就好了！Ifonlyourparentscouldlivewithus!IfonlyIhadn’tmissedthetrain!318.It’snecessary/strange/natural/important+that---從句中的動詞要用虛擬，即(should)+動詞原形Itisimportantthatwe(should)masteraforeignlanguage.Itisstrangethatsherefusetocometotheparty.It’snecessarythatweshouldstudyhard.32三：虛擬語氣假設(shè)條件句型注意點：1.假設(shè)條件從句謂語動詞發(fā)生的時間與主句所假設(shè)的謂語動詞不一致，叫做錯綜條件虛擬語氣。主句和從句的謂語動詞要依照假設(shè)的時間而頂。Iftheweatherhadbeenfiner,thecropswouldbegrowingstillbetter.Ifyouhadfollowedtheteacher’sadvice,youwouldn’tbeinthehospital.332.假設(shè)條件虛擬倒裝。條件從句中有should，were，had三個助動詞可以把if省略，并將這三個詞提至句首。IfIwere