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GrammarandusageUnrealconditionals(subjunctivemood)ByLilyLead-in1.Ifaface________launchathousandships…2.Ifaman________betwoplacesatonetime,I____bewithyou.3.Iftheworld________stoprevolving,spinningslowlydowntodie,I___spendtheendwithyou.4.Andwhentheworldwasthrough.Thenonebyonethestarswouldgoout.ThenyouandI_______simplyflyaway.couldcould’dcouldwould’d1.Inthisclass,wewillreview“If”unrealconditionalsinUnit3.2.Andthenwe’lllearnothercasesofunrealconditionalsinthisunit.3.Finallywewilldosomeexercisesforconsolidation.LearningAims:Unrealconditionals(非真实条件句):Step1Let’sreview时间If条件句(谓动)主句(谓动)现在过去将来would/could…dowere/didhaddonewould/could…havedonewould/could…doweretodoshoulddowere/didStep1Let’sreviewConclusion:如果条件状语中有were,had,should时,可以省去条件句中的___，把were,had,should置于____。如果虚拟句的主、从句中动词表达_______的虚拟动作时间，则该句被称为“___________________________________”。句中动词采用何种形式（现在或过去虚拟式）要依据主、从句中的______（或上下文）来确定。if句首不同（混合条件句）:Mixedconditionals时间“couldhave+过去分词”也可用于虚拟条件句中，这时的could是情态动词，表示“______”，相当于：________________能够hadbeenabletoStep2Let’slearnasif/thoughifonlyevenifeventhoughwish与现在情况相反与过去情况相反与将来情况相反Conclusiondid/werehaddonewould/could…dowouldrather+从句现在过去将来Conclusion:Itis(high/about)timethat……：该做……了。(动词用“__________”“_______________”)did/werehaddonedid/weredid/wereshoulddoLet’sconclude动词+that…(should)do…这类动词常见的有：一个坚持：_______________两个命令：__________/____________三条建议：/_________/________/_________四项要求：__________/_________/_________/_________【注意】suggest当表示“__________”讲时，insist表示坚持_____之意时，应用陈述语气。insistordercommandsuggestproposeadvisedemandrequirerequestask暗示、表明事实认为Itis+形容词/分词+that…(should)do…这类常见的形容词有：advisable明智的，essential紧要的，基本的natural自然的，urgent紧迫的appropriate恰当的important重要的necessary必要的Let’sconcludeLet’sconclude6．Itis+形容词/名词+that……(should)do/shouldhavedone……这类常见的形容词有：strange，amazing，surprising，astonishing，incredible_____________；常见的名词有：nowonder____________，ashame，apity，表示“惊奇、惶惑、怀疑、不满”等。此时，should一般不可省略，含义为“________、________”。难以置信不足为奇竟然居然Wereitnotforsth:（与现在或将来情况相反）“要不是因为……”=butthat…=butfor…Haditnotbeenforsth:(与过去情况相反)要不是因为①____________theheavytraffictoday,Iwouldsetofftomyschool.要不是因为今天繁忙的交通，我就动身去学校了。②______________thedelay,theycouldhavecompletedtheirlongmarchyesterday.要不是因为耽误，他们昨天就能结束他们的长征。Let’sconcludeWereitnotforHaditnotfor（1）由without，butfor（要不是因为），with等词引导的介词短语表示隐含条件。⑶用不定式表示隐含条件。⑷通过句子间的联系或上下文来表示隐含条件。Let’sconcludeImpliedconditionals(隐含条件句):⑵含有otherwise(副词)，or，butthat(要不是)等词的隐含条件虚拟句。Let’spractise①Icouldn’thavelivedthroughChristmaswithoutgivingyouapresent．(=Icouldn’thavelivedthroughChristmas_______________youapresent.)若不送给你礼物，我无法过这圣诞节。②_______yourtimelyhelp，wecouldn’thavefinishedtheworkontime.(=Wecouldn’thavefinishedtheworkontimeifyouhadn’tgivenusyourtimelyhelp.)要不是你们及时给予帮助，我们不可能按时完成工作。③______betterequipment,wecouldhavedoneitbetter.如有更好的设备，我们能做得更好。ifIhadn’tgivenButforWith⑵含有otherwise(副词)，or，butthat(要不是)等词的隐含条件虚拟句。①HeremindedmeofwhatIshouldotherwisehaveforgotten.(=_________________，Ishouldhaveforgottenallaboutthat.)他提醒了我，要不然我就会把这件事给忘了。②_________itsnowedheavily,theycouldhavearrivedthereearlier.=__________theheavysnow,theycouldhavearrivedthereearlier.要不是大雪，他们本来能到的更早。IfIhadnotbeenremindedButthatButforKeystotheexercisesIdowishIwereaprincess.IfIwere(be)aprincess,I_wouldknow(know)alotofprincesandIwouldchoosethehandsomestprince.SupposeI_married(marry)aprince,wewouldhaveacoupleoflittleprinceandprincess.That’sreallyinteresting.IfIhadknown(know)mydesirebefore,I_wouldhavebeenborn__(beborn)inaroyalfamily25yearsago.However,allofthesearenottruebutIstillknowwhatIcandotofulfillmydream.IfI_lived/weretolive/shouldlive_(live)inLondoninthefuture,Iwouldvisitthepalaceeveryday.IwishIcouldmeetPrinceHenry,youngerbrotherofWilliam.Thenewspapersayshe____(be)singlenowsoIwillhaveachancetoknowhim.Ifhe______(fall)inlovewithme,Iwouldgetmarriedtohim.WhatifI____________________________(nevermeet)myownprince?Keystotheexercisesisfellnevermet/shouldnevermetAppreciation1.Ifeveryone___________alittlebitlove,theworld_________morebeautiful!2.______________,theworld__________freezingcold.3._________theParty’swiseleadership,China____________sorichandstrongnow.4.Weallhavecleargoalsandambitions._____________,we____________________somuchsuccess.donatedwouldbeWithoutlovewouldbeButforcouldn’tbeOtherwisecouldn’thaveachievedWewisheachother(had)alonglifesoastosharethebeautyofthisgracefulmoonlight,eventhoughmilesapart.但愿人长久，千里共婵娟Ifonlytherecouldbemillionsofhousestoabruptthosewhosufferinthecoldness...howhappytheywouldbe!（Shield…from）安得广厦千万间，大庇天下寒士俱欢颜。当英语虚拟语气与诗歌的美丽邂逅Ifyou_______ateardropinmyeye,Forfearoflosingyou,I_______nevercry.Andifthegoldensun,_______ceasetoshineitslight,Justonesmilefromyou,_______makemywholeworldbright.译文：如果你是我眼里的一滴泪，为了不失去你，我将永不哭泣；如果金色的阳光停止了它耀眼的光芒，你的一个微笑将照亮我的整个世界。werewouldShouldShouldWithoutyou?I’dbeasoulwithoutapurpose.Withoutyou?I’danemotionwithoutaheart.I’mafacewithoutexpression,aheartwithnobeat.Withoutyoubymyside,I’mjustaflamewithouttheheat.译文:没有你？我将是一个没有目的的灵魂；没有你？我的情感将没有了根基；我将是一张没有表情的脸，一颗停止跳动的心；没有你在我身边，我只是一束没有热量的火焰。一、虚拟条件句if从句1.公式:过去、现在、将来2.省略倒装句3.混合条件句二、虚拟语气在某些从句中的运用asif/though