Unit 15 Learning 语法if虚拟语气-高中英语北师大版必修五

SubjunctiveMoodInIf-clausesUnit15Lesson1GrammarLearningAims核心素养语言能力GetStudentstohaveagoodknowledgeofsubjunctivemood(if-clause)学习能力DistinguishSentencesofRealConditionfromSentencesofUnrealConditionandmaster the structure and usages of the subjunctive mood文化意识Motivatestudentstotalkabouttheculturebehindthegrammarpracticeandusing思维品质CultivateStudents’creativeandcriticalthinkingbyobserving

sentencesEnjoymusicandpayattentiontotheif-clausesinthelyrics.IfIwereaboy,IwouldrolloutofbedinthemorningandthrowonwhatIwantedandgo.IfIwereaboy,(Ithink)Icouldunderstandhowitfeelstoloveagirl.

IfIwereaboy,IwouldlistentoherbecauseIknowhowithurtswhenyoulosetheoneyouwanted.IfIwereaboy,Iwouldturnoffmyphoneandtelleveryoneit'sbroken.IfIhadonlyknown,itwasthelastwalkintherainI'dkeepyououtforhoursinthestormIwouldholdyourhand,likealifelinetomyheartUnderneaththethunderwe'dbewarmIfIhadonlyknown,itwasourlastwalkintherainIfIhadonlyknownI'dneverhearyourvoiceagain,I'dhavememorizedeachthingyoueversaid.Andonthoselonelynights,IcouldthinkofthemoncemoreKeepyourwordsaliveinsidemyheadEnjoymusicandpayattentiontotheif-clausesinthelyrics.Enjoymusicandpayattentiontotheif-clausesinthelyrics.IfIhadaboatI'dgooutontheoceanAndifIhadaponyI'dridehimonmyboatAndwecouldalltogetherGooutontheoceanMeuponmyponyonmyboatHaveyoufoundsomethingsimilarordifferentbetweenthesentences？realunrealIfIhadonlyknownI'dneverhearyourvoiceagain,I'dhavememorizedeachthingyoueversaidIfIwereaboy,(Ithink)Icouldunderstandhowitfeelstoloveagirl.IfIhadaboatI'dgooutontheoceanCouldyoudistinguishSentencesofRealConditionfromSentencesofUnrealCondition?a.Ifhehadsleptearlylastnight,hewouldnothavebeenlate.b.IfIwereyou,Iwouldtrymybesttofinishmyhomework.c.Ifitrainstomorrow,themeetingwillbeputoff.d.Ifitweretosnowtomorrow,theywouldnotgoout.e.IfIamfreetoday,Iwillcheckyourhomework.UnrealUnrealUnrealRealReal虚拟条件句真实条件句时态倒移主将从现a.Ifhehadsleptearlylastnight,hewouldnothavebeenlate.e.IfIwereyou,Iwouldtrymybesttofinishmyhomework.c.Ifitrainstomorrow,themeetingwillbeputoff.d.Ifitweretosnowtomorrow,theywouldnotgoout.e.IfIamfreetoday,Iwillcheckyourhomework.Subjunctivemoodisusedtotalkaboutsituationsthator（动词使用虚拟语气）TheSentencesofRealCondition

isusedtotalkaboutsituationsthator

（动词使用陈述语气）aretrue

likelytobecometrue.arenottruenotlikelytobecometrue.虚拟语气--表示说话的人所说的话不是事实或者实现的可能性很小，它是一种假设，愿望怀疑或者推测。虚拟语气通过谓语动词的特殊形式来表示。Timelineinforchartnow

beforeafter虚拟虚拟时态倒移1.IfIwereaboy,IwouldrolloutofbedinthemorningandthrowonwhatIwantedandgo.2.IfIwereaboy,(Ithink)Icouldunderstandhowitfeelstoloveagirl.3.Ifshewerehere,shewouldbeangry.4.If I knew his telephone number, I would tell you.5.IfIhadmoney,Iwouldtravelalloverthecountry.6.If we had time now, we should read it again.对现在情况的虚拟，从句谓语用________________________,主句谓语用______________________________________.

Observation1did/be动词只用（were）would/should/might/could+v.Practice11.IfIhadenoughmoney,I_________(buy)anewcar.2.IfJohn________(be)alive,hewouldbeamazedathowartistspainttoday.3.Sorry,Iamtoobusynow.IfI______(have)time,Iwouldcertainlygoforanoutingwithyou.4.Ifyou______(be)abigboss,youcould/mightunderstandhowhardaperiodIamin.5.IfI_______(have)enoughmoney,Iwouldbuythatbeautifulsculpture.wouldbuywerehadwerehad1.Ifitshouldrainthisafternoon,thebasketballmatchcouldbeputoff.2.IfIhadaboat,Iwouldgooutontheocean3.Ifitweretobesunnytomorrow,wewouldgooutforapicnic.4.If he should come here tomorrow, I should/would talk to him.   

5.If she were to go there next Monday, I would

hug

her.6.IfIearnedalotofmoneyoneday,Iwouldbuyabighouse.对将来情况的虚拟，从句谓语用________________________,主句谓语用______________________________________.

Observation2shoulddo/did/weretodowould/should/might/could+v.Practice21.Gracedoesn'twanttomovetoNewYorkbecauseshethinksifshe___________(live)there,shewouldn'tbeabletoseeherparentsveryoften.2.Ifit____________(rain)tomorrow,wewouldn'tgohiking.3.—Whydowegetupsoearly?—Ifwe______________(miss)theflightwewouldhavetostayhereforanotherday.4.Ifheshouldcometomorrow,we

(be）

greatlysurprised.shouldrain/rained/weretorainshouldlive/lived/weretoliveshouldmiss/missed/weretomisswould/should/might/couldbe1.IfIhadonlyknownI'dneverhearyourvoiceagain,Iwouldhavememorizedeachthingyoueversaid.2.Ifyouhadcomeearlier,youwouldnothavemissedtheexcitingsceneinthemovie.3.IfanyonehadtoldmethreeyearsagothatIwouldbespendingmostofmyweekendscamping,Iwouldhavelaughedheartily.(2017·全国卷Ⅰ)4.Ifyouhadcomeearlier,youcouldhavecaughtthebus.对过去情况的虚拟，从句谓语用________________________,主句谓语用______________________________________.

Observation3haddonewould/should/might/could+havedonePractice31.Ifhe____________(work)hardlastyear,hewouldgetagreatsuccessnow.2.Ifwe____________(make)adequatepreparations,theconferencewouldhavebeensuccessful.3.Ifmycarhadbeenmorereliable,I_________________(drive)toLhasainsteadofflyinglastsummer.4.Ifyou________________(inform)meearlier,Iwouldn'thavesignedthecontract.5.IfIhadnotbeentoobusyatthattime,I__________________(call)you.had

madehad

workedwould/might/could/shouldhavedrivenhad

informedwould/might/could/shouldhavecalled从句中有should,were,had等助动词时，可以把if省略，并将助动词提至句首，从而构成部分倒装。1.Ifitshouldraintomorrow,wewouldhavetocancelthefootballmatch.

Shoulditraintomorrow,wewouldhavetocancelthefootballmatch.2.—Helen,areyougoingtotheairporttoseeJackoffthedayaftertomorrow?—Ifheweretoleavetomorrow,Iwouldgo.)—Werehetoleavetomorrow,Iwouldgo.3.IfIhadworked

hard,Iwouldhavesurelysucceeded.

HadIworkedhard,Iwouldhavesurelysucceeded.虚拟语气的省略Practice4Changethefollowingsentencestoinvertedsentences①Ifheshouldbefreetomorrow,Iwouldtalkwithhim.

②IfIwereyou,Iwouldgivehimahand.③IfIhadleftsooner,Iwouldhavebeenthereontime.Time

Ifsb.____(条件句)Sb.______（主句）与现在事实相反

与过去事实相反

与将来事实相反

虚拟虚拟时态倒移haddonewouldshould+dosthcouldmight助动词be用were

实义动词do用diddidshoulddoweretodowouldshould+dosthcouldmightwouldshould+havedonecouldmight实战高考Ifwe___________theflightyesterday