if虛擬條件句 公開課

if虛擬條件句公開課1.英語動詞有三種語氣，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，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）(真實條件句）a.if真實條件句表示條件是真的或有可能實現(xiàn)的,采用陳述語氣。b.if虛擬條件句表示對事實的相反的假設(shè)，或是虛擬的或幾乎無法實現(xiàn)的,采用虛擬語氣。Whatwouldyoudoifyouwonthelottery（彩票）??IfIwonthelottery,Iwould…DiscussionIfIwonthelottery,Iwouldbuyanexpensive

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

總結(jié)did（be動詞用were)would(should/might/could)＋動原Ifhe

haddriven

morecarefully,

he

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

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

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

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：1.Ifyouareme,wouldyoutalktothem?(2015.四川卷）2.Iknownothingaboutthefilm.IfIknewaboutit,Iwilltellyou.3.Ifsheworkedhardenough,shewouldhavepassedtheEnglishexam.werewouldhad三、書面表達（2013.廣東卷）對現(xiàn)在的虛擬1.假如我們的城市中沒有清潔工，我們會生活在一個很糟糕的環(huán)境中。2.假如我們的城市中沒有清潔工，我們會被垃圾淹沒。3.假如我們的城市中沒有清潔工，疾病會迅速傳播。

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(be用were)過去完成時(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)過去時過去完成時過去時paid

hadgonecame三、常見動詞：一個堅持：insist兩個命令：order,command三條建議：advise,suggest,propose四項要求：demand,require,request,ask

這些動詞后面的賓語從句要使用虛擬語氣用法。即從句中的動詞使用should+動詞原形，或者將should省略。1.我們建議Tom去休息一下。2.他堅決要求我到場。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“堅持認(rèn)為”時;不用虛擬語氣！HisaccentsuggeststhathecomesfromHunan.Iinsistthathewaswrong.溫馨提示3).It’s（high）time+that-should+V.過去時你該走了。我們該睡覺了。It’shightimethatyou

.It’shightimethatyou

.It’stimethatwe

.It’stimethatwe

tobed.wentshouldgowenttobedshouldgo4）It’snecessary/strange/natural/important/apity+that---從句中的動詞要用虛擬，即(should)+動詞原形1.Itisimportantthatwe(should)masteraforeignlanguage.2.Itisstrangethatsheshouldrefusetocometotheparty.3.It’snecessarythatweshouldstudyhard.5）asif/though+從句現(xiàn)在：過去：過去時過去完成時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（be用were）haddonewould/could+動詞原形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“堅持認(rèn)為”時;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