高二英語(yǔ)必修6unit1虛擬語(yǔ)氣

Thesubjunctivemood

一、虛擬語(yǔ)氣在條件句中虛擬條件句主句與現(xiàn)在事實(shí)相反的假設(shè)與過(guò)去相反的假設(shè)與將來(lái)相反的假設(shè)If+主語(yǔ)+動(dòng)詞的過(guò)去式（動(dòng)詞be用were)If+主語(yǔ)+had+過(guò)去分詞主語(yǔ)+should,would,might,could＋動(dòng)詞原形主語(yǔ)＋should,would,might,could＋have+過(guò)去分詞1、If+主語(yǔ)+wereto+動(dòng)詞原形2、If+主語(yǔ)+should+動(dòng)詞原形3、If+主語(yǔ)++過(guò)去式主語(yǔ)＋should,would,might,could＋動(dòng)詞原形二、虛擬語(yǔ)氣在名詞性從句中的運(yùn)用用于賓語(yǔ)從句１、用于wish后面的賓語(yǔ)從句一般用虛擬語(yǔ)氣，表示一種不可能實(shí)現(xiàn)的愿望。其謂語(yǔ)動(dòng)詞形式為：表現(xiàn)在過(guò)去時(shí)表過(guò)去過(guò)去完成時(shí)表將來(lái)would,might,could＋動(dòng)詞原形2.用于表示命令、建議、要求等一類詞后面的賓語(yǔ)從句,用should+do構(gòu)成,should可以省略。動(dòng)詞：二命令；四建議；四要求order,command；suggest,advise,propose,recommend;require,request,demand,insist.3.wouldrather(寧愿，寧可）的用法現(xiàn)在：動(dòng)詞用過(guò)去式過(guò)去：動(dòng)詞用過(guò)去完成用于主語(yǔ)從句中

1.Itisnecessary／important／strange／natural／impossible/surprising+that從句。從句中的謂語(yǔ)動(dòng)詞用should+動(dòng)詞原形，should可以省略。2.Itissuggested/ordered/requested/demandedthat…Itisnecessarythatyou(should)cleantheroomafterwork.Itisimportantthathe(should)workharderathislessons.Itissuggested(mysuggestion)thatthemeeting(should)beputoff.Itisorderedthatthework(should)bedoneatonce.在suggestion/proposal/order/plan/advice/idea/request等名詞后的表語(yǔ)和同位語(yǔ)從句中要用“should＋動(dòng)詞原形”should可以省略．用于表語(yǔ)從句和同位語(yǔ)從句Myideaisthatwe(should)thinkitoverbeforeacceptingit.Mysuggestionthatwe(should)haveameetinghasbeenacceptedbyothers.Weallagreetothatsuggestionthatthemeeting(should)beputoff.

asif(asthough)好像用過(guò)去式或過(guò)去完成時(shí)表虛擬Hetreats/treatedtheboyasifhewerehisownson.Hespeaks/spokeasifhehadknownaboutit.注意：asif/asthough從句的虛擬語(yǔ)氣的動(dòng)詞不受主句動(dòng)詞的支配．表示對(duì)現(xiàn)在的假設(shè)，用過(guò)去式；表示對(duì)過(guò)去的假設(shè)用過(guò)去完成時(shí)．三、虛擬語(yǔ)氣在其他從句中

Itis(high/about)timethat…從句中的謂語(yǔ)動(dòng)詞用過(guò)去式或should＋動(dòng)詞原形，should不能省略．Itishightimethatyouwent/shouldgotoschool.Ifonly引導(dǎo)的感嘆句（要是．．．該有多好啊）從句中的謂語(yǔ)動(dòng)詞的用法同wish。IfonlyIknewtheanswer!IfonlyIhadseenthefilmyesterday!在口語(yǔ)交際中．虛擬語(yǔ)氣省略的情況若一般過(guò)去時(shí)只保留did,could,were等助動(dòng)詞、情態(tài)動(dòng)詞或系動(dòng)詞。若是過(guò)去完成時(shí)，只保留had若是過(guò)去將來(lái)時(shí)只保留would,might--Haveyoufoundtheanswertothequestion?--IwishIhad.Ican’tgotoBeijingwithyou,butIwishIwould.1.WithouttheleadershipoftheParty,there____noNewChina.A.wouldbeB.hasbeenC.beD.was2.Alan___thepartyifhehadgonetoLondon.A.wouldhavemissedB.hadmissedC.wouldmissD.missed√√3.Hegaveordersthattheexperiment____before5:30pm.A.befinishedB.willfinishC.mustbefinished4.HeistalkingsomuchaboutAmericaasifhe___there.A.hadbeenB.wereC.wasD.been√√5.–HaveyoueverbeentoBeijing?--No,butIwishI___.A.haveB.willC.doD.had6.Whenapencilispartlyinaglassofwater,itlooksasifit＿＿＿＿.

A.breaks

B.hasbroken

C.werebroken

D.hadbeenbroken

√√8.Hissilenceatthemeetingsuggestedthathe________toyourplan.A.didn’tagree

B.hadn’tagreedC.wouldn’tagree

D.notagree√1.Itwasurgentthathe_________herimmediately.callsB.calledC.callD.wouldcall2.It’shightimethatsomething_________toprohibitsellingfakecommodities.mustbedoneB.wasdoneC.bedoneD.weredone4.Ididn’tgototheparty,butIdowishI___there.

A.

was

B.

were

C.

hadbeen

D.

went5.Theteacheragreedtothesuggestionthatthestudents___twoweekstopreparefortheexam.

A.

give

B.

shouldgive

C.

begiven

D.

wouldbegiven6.Itisstrangethatsuchathing___inyourschool.

A.

willhappen

B.

happens

C.

shouldhappen

D.

happene