雅思語法真貴學虛擬語氣

{{新浪微博：梁康1884-貴學雅思語法雅思語法-------虛擬語氣虛擬語氣不可能發(fā)生的事情假設(shè)

不可能的事情的假設(shè)ifIwereaboy,IthinkIwouldunderstand.

標志詞:if（基礎(chǔ)）90%butforwithoutwish/ifonlyasifif的虛擬1,區(qū)分if引導的真實條件句與虛擬語氣。2,if的虛擬時態(tài)三種情況Ifitrainstomorrow,thecropswillbesaved.（真實條件句）

Ifitrainedtomorrow,thecropswouldbesaved. （不可能的事情用虛擬語氣）

1，if引導的真實條件句與虛擬語氣

如果明天下雨的話，莊稼就會得救練習Ifheisfree,hewillaskmetotellstories.（真實）IfIcouldchangesomething,Iwouldhavefewerclasses.（虛擬）2，if虛擬三種時態(tài)現(xiàn)在:如果我知道上帝的電話的話，我現(xiàn)在就會告訴你。將來:如果明天地球毀滅的話，我將在家待著。

過去:如果你昨天聽了我的建議，你昨天就不會犯這個錯誤。IfI____(know)histelephonenumber,I_______(tell)you.對現(xiàn)在虛擬were對將來的虛擬

Iftheearth______________(destroy)tomorrow,I_______(stay)athome.

Ifyou________(take)myadviceyesterday,you________________(notmake)suchamistake.對過去虛擬時間If從句的謂語形式主句的謂語形式現(xiàn)在過去將來時間If從句的謂語形式主句的謂語形式現(xiàn)在過去將來didhaddonewould/could/should/might+V.(原)would/could/should/might+have+done.1.shoulddo2.weretodowould/could/should/might+V.(原)背會，

默寫練習

如果地球上現(xiàn)在沒有空氣，人就會死。如果將來地球上沒有空氣，人就會死。如果地球上曾經(jīng)沒有空氣，人就會已經(jīng)死掉。Ifitwerenotforthedungbeetle,chemicalfertilizerwouldbewashedbyrainintostreamsandriversbeforeitcouldbeabsorbedintothehardearth,pollutingwatercoursesandcausingbloomsofblue-greenalgae.Ihaveoftenthoughtthatitwouldbeablessingifeachhumanbeingwerestrickenblindanddeafforafewdaysatsometimeduringhisearlyadultlife.Darknesswouldmakehimmoreappreciativeofsight;silencewouldteachhimthejoysofsound.Ifyou____tomorrow,you____findthenewmanagerworkingintheoffice.(虛擬)came;wouldB.shouldcome;wouldC.weretocome;would

D.comes;mightIftheparents___atthehospitalearlieraftertheaccident,thechildwouldhavebeensaved.

arrivesarriveC.hadarrivedD.hasarrived如果沒有廣告的話，公司的銷量就會下降，從而阻礙了公司的發(fā)展。句型：，which,therebydoing

如果谷歌忽視了創(chuàng)新的重要性，這種高科技的公司將永遠也不會取得今天的驚人的成功。

如果每個人都忽略保護動物的意義的話，那么人類將會處在滅絕的邊緣。

butforwithout看作if從句的省略版，用法與if一致Butfor/without

hishelp，Iwouldnothavefinisheditsoearly.

Ifithadnotbeenforhishelp，Iwouldnothavefinisheditsoearly.wish的虛擬Wish、的賓語從句現(xiàn)在：過去：未來：過去時過去完成時would/could/might+V

和if從句虛擬的對比1，我希望我是個小鳥2，我希望沒有犯過這個錯誤。3，我希望爸媽不要再懲罰我了。IwishIwereabird.IwishIhadn’tmadesuchamistake.Wewishourparentswouldn’tpunishus.ifonly的虛擬=wish的用法IfonlyIwereabird.IfonlyIhadn’tmadesuchamistake.Ifonlyourparentswouldn’tpunishus.asif的虛擬=wish，ifonly的用法Shelovesthebabyasifitwereherownson.Irememberthewholethingasifithadhappenedyesterday.Heopenedhismouth