if虛擬條件句 公開課

if虛擬條件句公開課1.英語動(dòng)詞有三種語氣，陳述語氣，祈使語氣和虛擬語氣。2.

定義：用來表示說的話不是事實(shí)，或者是不可能發(fā)生或可能性比較小的情況，而是一種愿望，建議，假設(shè)的語氣叫虛擬語氣。它通過謂語動(dòng)詞的特殊形式來表示。一、虛擬語氣定義Q:What’sthedifferencebetweenthetwosentences?IfIamfree,Iwillvisityou.IfIwereabird,Iwouldflyintothesky.

（虛擬條件句）(真實(shí)條件句）a.if真實(shí)條件句表示條件是真的或有可能實(shí)現(xiàn)的,采用陳述語氣。b.if虛擬條件句表示對(duì)事實(shí)的相反的假設(shè)，或是虛擬的或幾乎無法實(shí)現(xiàn)的,采用虛擬語氣。Whatwouldyoudoifyouwonthelottery（彩票）??IfIwonthelottery,Iwould…DiscussionIfIwonthelottery,Iwouldbuyanexpensive

car.1.與現(xiàn)在事實(shí)相反IfIweretheschoolmaster,Iwouldletthestudentsgetupalittlelater.schoolmaster

總結(jié)did（be動(dòng)詞用were)would(should/might/could)＋動(dòng)原Ifhe

haddriven

morecarefully,

he

wouldnothavehadthecaraccidentyesterday.2.與過去事實(shí)相反Ifhehadgotupearly,hewouldnothavebeenlateforschool.如果他早起，他就不會(huì)上學(xué)遲到。had+donewould(should/might/could)＋havedone

總結(jié)☆I(lǐng)fImetObamasomeday,Iwouldshakehandswithhim.

☆I(lǐng)fIweretomeetObamasomeday,…☆I(lǐng)fIshouldmeetObamasomeday,…3.與將來事實(shí)相反1、did(be用were)2、weretodo3、shoulddowould(should/might/could)＋動(dòng)原

總結(jié)一般條件句中的虛擬語氣if條件句中的虛擬語氣高考鏈接一、語法填空：1.IfI________(not,see)itwithmyowneyes,Iwouldn'thavebelievedit.(2015.北京卷）2.Whydidn'tyoutellmeaboutyourtroublelastweek?Ifyou______(tell)me,Icouldhavehelped.(2016.北京卷）3.IfIhadtimethisevening,I______(go)toyourbirthdayparty.4.Ifitshouldrain,thecrops_________(save).hadn'tseenhadtoldwouldgowouldbesaved二、單句改錯(cuò)：1.Ifyouareme,wouldyoutalktothem?(2015.四川卷）2.Iknownothingaboutthefilm.IfIknewaboutit,Iwilltellyou.3.Ifsheworkedhardenough,shewouldhavepassedtheEnglishexam.werewouldhad三、書面表達(dá)（2013.廣東卷）對(duì)現(xiàn)在的虛擬1.假如我們的城市中沒有清潔工，我們會(huì)生活在一個(gè)很糟糕的環(huán)境中。2.假如我們的城市中沒有清潔工，我們會(huì)被垃圾淹沒。3.假如我們的城市中沒有清潔工，疾病會(huì)迅速傳播。

1.Ifthere

were

no

cleaners

in

the

city,wewouldliveina

bad

environment.2.Ifthere

were

no

cleaners

in

the

city,wewouldbedrownedintherubbish.3.Ifthere

were

no

cleaners

in

the

city,diseaseswouldspreadquickly.Translation二、賓語從句中的虛擬語氣1.Iwish

+賓語從句現(xiàn)在：過去：將來：過去時(shí)(be用were)過去完成時(shí)(haddone)would/coulddo

IwishIwereabird.(現(xiàn)在)IwishIhadn’tmadesuchamistake.(過去)Wewishourparentswouldn’tpunishus.

(將來)IwishI_________(fly)likeabirdsomeday.couldflyIwisheveryday______(be)mybirthday.wereIwishI

____________(noteat)somuchwatermelon.hadn’teaten2.Iwouldrather現(xiàn)在：將來：過去：Iwouldratheryou______(pay)menow.(現(xiàn)在)Iwouldratheryou_______(go)thereyesterday.(過去)Don’tcome.Iwouldratheryou_____(come)tomorrow.(未來)過去時(shí)過去完成時(shí)過去時(shí)paid

hadgonecame三、常見動(dòng)詞：一個(gè)堅(jiān)持：insist兩個(gè)命令：order,command三條建議：advise,suggest,propose四項(xiàng)要求：demand,require,request,ask

這些動(dòng)詞后面的賓語從句要使用虛擬語氣用法。即從句中的動(dòng)詞使用should+動(dòng)詞原形，或者將should省略。1.我們建議Tom去休息一下。2.他堅(jiān)決要求我到場(chǎng)。3.他們要求我們派他們?nèi)ツ莾汗ぷ鳌?.WesuggestedthatTomarest.2.HeinsistedthatIpresent.3.Theyrequestedthatwethemshouldhave(should)beshouldsendtoworkthere.當(dāng)suggest表示“暗示,表明”;insist表示“堅(jiān)持認(rèn)為”時(shí);不用虛擬語氣！HisaccentsuggeststhathecomesfromHunan.Iinsistthathewaswrong.溫馨提示3).It’s（high）time+that-should+V.過去時(shí)你該走了。我們?cè)撍X了。It’shightimethatyou

.It’shightimethatyou

.It’stimethatwe

.It’stimethatwe

tobed.wentshouldgowenttobedshouldgo4）It’snecessary/strange/natural/important/apity+that---從句中的動(dòng)詞要用虛擬，即(should)+動(dòng)詞原形1.Itisimportantthatwe(should)masteraforeignlanguage.2.Itisstrangethatsheshouldrefusetocometotheparty.3.It’snecessarythatweshouldstudyhard.5）asif/though+從句現(xiàn)在：過去：過去時(shí)過去完成時(shí)Theytalkedasiftheyhadbeenfriendsforyears.Shelovesthebabyasifitwereherownson.6）Ifonly要是...就好了=Iwish★IfonlyIknewhisnamenow!★Ifonlywehadfollowedyouradvicelasttime!★IfonlyIcouldseehimagainnextyear!現(xiàn)在：過去：將來:一般過去時(shí)（be用were）haddonewould/could+動(dòng)詞原形ifonly7)It’ssuggested(ordered,demanded,proposed,commanded,requested,desired,insisted,required)that…后面的主語從句中要使用虛擬語氣，也以(should)+v原.的形式出現(xiàn)。It’sorderedthatteachers(should)teachEnglishatschools.It’srequestedthatallthestudents(should)wearschooluniformsatschool.

★以上這些動(dòng)詞的名詞形式后面的表語從句和同位語從句中也要用虛擬語氣，也應(yīng)以

(should)+v原.的形式出現(xiàn)。Mysuggestionisthatyou(should)gohomefirstbeforecominghere.Myadviceisthatyou(should)practisespeakingEnglishasoftenaspossible.注意:當(dāng)suggest表示“暗示”;insist表示“堅(jiān)持認(rèn)為”時(shí);不用虛擬語氣！HisaccentsuggeststhathecomesfromHunan.Iinsistthathewaswrong.1Hesuggestedthatthemeeting

putoff.

A.is

B.was

C.wouldbe

D.shouldbe

2Itisstrangethathe

so.

A.thinks

B.think

C.thought

D.willthink

3IwishI

myuncleyesterday.

A.met

B.havemet

C.wouldmeet

D.hadmet

4Theoldprofessorgaveordersthattheexperiment