if非真实条件句中的虚拟语气.doc

《if非真实条件句中的虚拟语气.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、在if非真实条件句中，若需要表示与现在或客观事实相反、与过去事实相反以及与将来事实可能相反的情况，要使用虚拟语气。虚拟语气的使用体现在主句和从句的谓语形式上。If从句中谓语的时态主句中谓语的时态表示与现在或客观事实相反一般过去时（did/were）would（should，could，might）＋动词原形表示与过去事实相反过去完成时（had＋done）would（should，could，might）＋have＋过去分词表示对将来情况的主观推测（可能相反或可能性很小）可用以下任何一种表达：1.一般过去时（did/were）2.should＋动词原形3.wereto＋动词原形wou

2、ld（should,could，might）+动词原形Ifhewerehere,Iwouldexplaintohimmyself.要是他在这里我就亲自向他解释了。Iftherewerenowaterontheearth,therewouldbenolife.如果地球上没有水，就不会有生命。Iwouldn’thavebelievedit,ifIhadn’tseenithappen.要不是亲眼目睹，我决不会相信有这种事。IfIhadseenhimyesterday,Iwouldhaveaskedhimforhelp.如果我昨天看见他，我就向他求助了。Ifwehadtimetomorro

3、w,wewouldgowithyou.如果我们明天有时间，我们就跟你去。（事实：有时间的可能性很小）IfsheweretobetherenextMonday,Iwouldtellheraboutthematter.如果她下周一来这儿的话，我就会告诉她这件事得始末。（事实：去的可能性很小）1.IfI____wherehelived，I____anotetohim.A.knew，wouldB.hadknown，wouldhavesentC.know,wouldsendD.knew，wouldhavesent2.Maryisilltoday.Ifshe_____，she____absen

4、tfromschool.A.werenotill，wouldn'tbeB.hadbeenill，wouldn'thavebeenC.hadbeenill，shouldhavebeenD.hadn'tbeenill，couldbe3.—Ifhe_____，he______thatfood.---Luckilyhewassenttothehospitalimmediately.A.waswarned，wouldnottakeB.hadbeenwarned，wouldnothavetakenC.wouldbewarned，hadnottakenD.wouldhavebeenwarned，

5、hadnottaken4.Ididn'tseeyoursisteratthemeeting.Ifshe_________，shewouldhavemetmybrother.A.hascomeB.didcomeC.cameD.hadcome5.Ifyouhadenoughmoney，what________？A.willyoubuyB.wouldyoubuyC.wouldyouhaveboughtD.willyouhavebought6. IfI____moretime,Iwouldhavegonewithhim.A.hadB.hadhadC.havehadD.wouldhave7.

6、Ifit___tomorrow,whatwouldwedo?A.rainsB.weretorainC.wouldrainD.rain8.Ifithadn’tbeenforthefactthatshe_____sing,Iwouldhaveinvitedhertotheparty.A.couldn’tB.shouldn’tC.can’tD.mightnot9.IfComradeLi_____theexperimenttomorrow,hemightreadtheinstructionscarefully.A.doB.coulddoC.istodoD.weretodo10.Whatwo

7、uldhavehappenedifyou____herchild?  A.hadn’thelped           B.couldn’thelp             C.wouldn’thelp        D.didn’thelp11.Ifit____rainnextweek,thefarmerscouldstillhaveagoodharvest.  A.should      B.could        C.would         D.might