2023學(xué)年完整公開課版Unit3TravelGrammar

Unit3TravelModule2ThethingswedoGrammarThesubjunctivemoodinif-clauses語氣是謂語動(dòng)詞的一種形式，表明說話的目的和意圖。英語中有四種語氣：1）陳述語氣（theindicativeMood）;Chinaisagreatcountry.2)疑問語氣（theInterrogativeMood）;Areyoufromthesouth?3)祈使語氣（theImperativeMood）;Comeinandtakeaseat.4)虛擬語氣（theSubjunctiveMood）四種語氣虛擬語氣是一種特殊的動(dòng)詞形式，一是用來表示說話人所說的話不是一個(gè)事實(shí)，而是一種假設(shè)、猜測(cè)、懷疑等(在條件從句中或讓步狀語從句中)；一是表示說話人的愿望、要求、命令、建議等(在賓語從句、主語從句、表語從句、同位語從句)。Ifhe

haddriven

morecarefully,

he

wouldnothavehadthecaraccidentyesterday.IwishIwereastallasyou.本節(jié)主要的學(xué)習(xí)內(nèi)容：If狀語從句中的虛擬語氣1.時(shí)態(tài)問題2.錯(cuò)綜時(shí)間的虛擬句3.省略if的條件從句4.含蓄虛擬條件句虛擬語氣在條件從句中在條件從句中(叫虛擬條件句)。表示與事實(shí)相反的條件。分三種情況(以do為例)：表示與事實(shí)情況相反條件從句的謂語形式主句的謂語形式表示現(xiàn)在情況過去式(did)(be常用were)Would/could/might/should+動(dòng)詞原形(do)表示過去情況過去完成式(had+done)Would/could/might/should+havedone表示將來情況①過去式(did)/(were)②should+do③weretodoWould/could/might/should+do1.IfIhadHIV,IwouldknowbecauseIwouldfeelsick.2.IfIwere

you,IwouldgiveAIDpatientahug.3.IfIhadtakenyouradvice,Iwouldn’thavemadeamistake.4.Ifhehadbeenthere,itwouldn’thavehappened.（與現(xiàn)在事實(shí)相反）（與過去事實(shí)相反）5.Ifitshouldraintomorrow,theywouldn’tgoforanouting.6.Ithinkwecoulddoit,ifweplanned

itproperlyandcouldborrowthetools.7.Ifweweretohavethreedaysoff,wewouldenjoyaveryhappylife.(與將來事實(shí)相反)區(qū)別:Ifit

rainstomorrow,thecrops

will

besaved.Imustleaveifthatisthecase.YouwillforgivemeifIhavegivenyoupain.

Ifit

rained

tomorrow,thecrops

would

besaved.Ifyoudidn’tstayupsolateeveryevening,youfeelsosleepyinthemorning. 陳述語氣虛擬語氣c.Ifthepoliceman________(benot)inthatroomnow,it________(be)verydangerous.d.IfI____(be)inyourpositionatthistime,I_________(ask)forteacher’shelp.a.Ifthey____(be)here,they__________(take)youradvice.b.Iftheworld-war_____(burst)outagain,what_____________(happen)toourpeopleonearth?werewouldtakeburstwouldhappenwerenotcouldbewerewouldaskPractice1:Fillintheblankse.IfTom________(be)morecarefulintheexam,he________________(pass)italready.f.Ifyou_______(get)upearlier,you________________(catch)thefirsttrain.hadbeenwouldhavepassedhadgotwouldhavecaught通常情況下,在非真實(shí)條件句中主句和從句的謂語動(dòng)詞所指時(shí)間是一致的,但有時(shí)也可能指不同的時(shí)間,這時(shí)要根據(jù)上下文的意思采用不同的謂語動(dòng)詞形式，又稱為混合條件句。錯(cuò)綜時(shí)間的虛擬句IfI(take)myraincoatwithmethismorning,I(notbe)wetnow.hadtakenwouldnotbe1.IfIwereyou,Iwouldhavetakenhisadvice.(從句指現(xiàn)在,主句指過去)2.Ifwehadn’tbeenworkinghardinthepastfewyears,thingswouldn’tbegoingsosmoothly.（從句指過去，主句指現(xiàn)在）3.Ifithadn’tbeenforhercare,Ishouldnotbespeakingtoyounow.（從句指過去，主句指現(xiàn)在）4.Ifwehadnotgoteverythingreadybynow,weshouldbehavingamoreterribletimetomorrow.（從句指現(xiàn)在，主句指將來）

1.如果過去天氣好的話，現(xiàn)在莊稼長(zhǎng)得更好了．

Iftheweather__________(be)finer,thecrops_________________(grow)stillbetter.2.如果你聽了老師的建議的話，你現(xiàn)在就不會(huì)在醫(yī)

院里了．

Ifyou_______________(follow)theteacher’sadvice,you______________(be)inthehospital.3.如果你身體狀況好一些的話，我們本可能會(huì)讓你

去幫助他們工作的．

Ifyou

(be)inbetterhealth,we_____________(allow)youtogotheretohelptheirwork.hadbeenwouldbegrowinghadfollowedwouldn’tbewerecouldhaveallowedPractice2:Fillintheblanks省略if的條件從句當(dāng)從句中有were,had或should時(shí)，可省略if，而把它們放在句首。1.IfIweretomeethimtomorrow,Ishouldaskhimaboutit.

WereItomeethimtomorrow,…2.Ifheshouldfailintheexperimentthistime,hewouldtryagain.

Should

hefailintheexperiment…3.Ifyouhadcomeafewminutesearlier,youwouldhavemethim.Hadyoucomeafew….含蓄虛擬條件句

Butforhispension,hewouldstarve.

有時(shí)假設(shè)的情況并不以條件從句表示出來,二是

含在上下文中,比如通過介詞短語來表示。這些介

詞常是：butfor,without,otherwise,or等。

1.如果不是聽了你的建議，我就不會(huì)做的如此成功。Butforyouradvice,Icouldnothavedoneitsosuccessfully.Withoutyouradvice,…Thanksforyouradvice,orI…Ifithadnotbeenforyouradvice,…2.沒有開放的政策，就不會(huì)有如此大的變化Thechangecouldnothavetakenplacewithouttheopen-doorpolicy.Ifithadnotbeenfortheopen-doorpolicy,…3.我當(dāng)時(shí)很忙，否則，我就會(huì)把答案告訴他的。Iwassobusythen,Otherwise,Iwouldhavetoldhimtheanswer.IfIhadnotbeensobusythen,…4.WhatwouldIhavedonewithoutyou?(條件暗含在分詞短語withoutyou中)5.Itwouldbeeasiertodoitthisway.

(條件暗含在不定式短語todoitthisway中)6.Wewouldhavesucceeded.

(暗含ifwehadkepttrying)7.Thissamething,happeninginwartime,wouldleadtoadisaster.(條件暗含在分詞短語happeninginwartime中)8.Alone,hewouldhavebeenterrified.(暗含條件是alone)9.Iwouldhavewrittenlongbefore,butIhavebeenill.(條件暗含在but的并列句中)Practice3:1.—Itwasthedrug，notthedisease，thatkilledtheboy.—Hewouldbestillalivetodayifhe________thatdrug.A.nottake

B.hadn’ttakenC.didn’ttake

D.shouldn’thavetaken2.IftheUnitedStateshadbuiltmorehomesforpoorpeoplein1955,thehousingproblemsnowinsomepartsofthiscountry______soserious.A.wouldn’tbeB.willnothavebeenC.wouldn’thavebeenD.wouldhavenotbeen3._______,mancouldnotliveatall.Awereitnotforthesun.Bifitwasforthesun.Chaditnotbeenforthesun.Difitshouldn’tbeforthesun√√√√4.Ilostyouraddress,otherwiseI＿＿＿＿youlongbefore.A.hadvisited

B.havevisitedC.wouldhavevisitedD.shouldvisit5.I___yousomemoney,butIhadn’tgotanythen.A.wouldlendB.wouldhavelentC.couldlendD.mayhavelent6.Ifitwerenotforthefactthatshe_____sing,Iwouldinvitehertotheparty.(2006福建)A.couldn’tB.couldC.can’tD.mightnot√√7.______fired,yourhealthcareandotherbenefitswouldbeimmediatelycutoff.(2006湖北)A.WouldyoubeB.ShouldyoubeC.CouldyoubeD.Mightyoube8.IfI____plantodoanythingIwantedto,I’dliketogotoTibetandtravelasmuchofitaspossible.(2005湖北)A.wouldB.couldC.hadtoD.oughtto9.ItishardformetoimaginewhatIwouldbedoingtodayifI________inlove，attheageofseven，withtheMelindaCoxLibraryinmyhometown.(2002上海)A.wouldn’thavefallen

B.hadnotfallenC.shouldfall

D.weretofall√√√10.Whatwouldhavehappened_________,asfarastheriverbank?(2001上海)A.Bobhadwalk