欢迎来到英语课堂Module5GrammarCloning（1）真实条件句表示提出的假设完全可以成为事实,谓语动词用陈述语气.Iftimepermits,we'llgofishingtogether.如果有时间的话，我们就一起去钓鱼。条件从句（2）虚拟条件句表示所提出的假设实现的可能性极小与事实相反,谓语动词用虚拟语气.虚拟语气也可以表示愿望,请求及建议等.Ifithadrainedyesterday,wewouldhavestayedathome.如果昨天下雨的话，我们就会留在家里。一、与现在事实相反的假设从句：if+主语+动词的过去式(be用were)+……主句：主语+would(should,could,might)+动词原形+……IfIwereyou,Iwouldgowithhim.IfIwereyou,Ishouldbuyit."虚拟条件句"的句型。注意：如果动作在进行中，主句要用："主语+wouldbe+进行式动词+……"Iftheywerehere,hewouldbespeakingtothemnow.二.与过去事实相反的假设从句：If+主语+had+过去完成式动词+……主句：主语+would(should,could,might)+have+过去完成式动词+……Ifyouhadstudiedharderlastterm,youcouldhavepassedexam.Ifithadsnowed,Iwouldhaveskiedinthepark.注意：如果动作在进行中，主句要用："主语+would+have+完成进行式动词+……Iftheyhadbeenhere,hewouldhavebeenspeakingtothem.三.与将来的事实可能相反从句：If+主语+should(或were)+动词原形+……主句：主语+would(could,should,might)+动词原形+……Ifitshouldrain,thecropswouldbesaved.Ifhewerehere,Iwouldgivehimthebooks.注意：如果动作在进行中，从句(不是主句)要用：“If+主语+过去进行式动词+……"Ifshewerestayingherenow,Iwouldletherridemyhorse.四.从句的If有时可省略，那么从句中的动词(were,had,should)就得移到主语前面：原句：Ifhehadtriedit,hecouldhavedoneit.去If：Hadhetriedit,hecouldhavedoneit.五.有时虚拟条件句的从句和主句地动词动作时态会不一致：1)从句表示过去，主句表示将来：Iftheyhadstartedtheearlymorningyesterday,theywouldbeherenow.2)从句表示将来，主句表示过去：IfIwerenottomakeapreparationformyexperimentthisafternoon,Iwouldhavegonetoseethefilmwithyoulastnight.3)从句表示过去，主句表示将来：Ifwehadn'tmadeadequatepreparations,weshouldn'tdaretodotheexperimentnextweek.4)从句表示将来，主句表示现在：Ifweshouldn'thaveanexamthisafternoon,Iwouldgoshoppingnow.Giveyourownanswerstothequestions.Ifyoucouldcloneaman,wouldyoudoit?Yes,Iwould./No,Iwouldn’t.Example:2.Ifyouwereascientist,wouldyouworkforacloningcompany?3.Ifyouhadthemoney,wouldyoupayscientiststocloneyou?4.Ifcloningbecameeasy,wouldthatbeagoodthing,inyouropinion?Ifyouwereheadofthegovernment,wouldyouallowcloning?Ifscientists______(clone)me,I__________(feel)verystrange.wouldfeelCompletethesentences.cloned2.Ifgovernments_________(notallow)cloning,manyscientists_________(be)veryangry.wouldbedidn’tallow3.IfI____(meet)aclonedcopyofmyself,I_____________(runaway)!wouldrunawaymet4.Ifcloning________(be)easy,theworld_______(be)averydifferentplace.wouldbewere/was5.Ifclonedanimals______(live)untilthey________(be)old,scientists_______(be)verypleased.wouldbelivedwereIhaveknownmyfriendRobin(1)____manyyearsandamveryfond(2)____him,buthehassomestrangeideas.Forexample,hesaysthatifhe(3)____themoney,he(4)______askscientiststoclonehim.WhenIaskhimCompletethepassage.forofhadwould(5)____hewouldlikethis,herepliesthathe(6)______lovetomeetanidenticalcopyofhimself.Idon’tfeelthesameatall.IfI(7)________anidenticalcopyofmyself,I(8)_______runasfastasIcouldintheoppositedirection.Ican’tthinkofanything(9)______awful!ButRobinhasotherstrangeideas.Forexample,wouldwhywouldmet/sawmorehesaysthat(10)____scientistsallowedhim,hewould(11)_____________tothemoon.Whenhesaysthis,Ireplythatifit(12)____possibleI(13)_______liketolivetobetwohundred.“Metoo,”Robinreplies.(14)_____heknowsIamjoking.Theproblemis,Iknowheisserious.Ifheadreameror(15)______hisdreamsbecomepossibleoneday?Ihavenoidea.ifgo/fly/travelwerewouldbutcould1.Ifyouhadn’tgonewithTomtothepartylastnight,______.a.youwouldmeetJohnalreadyb.youwon’thavemissedJohnc.youwillhavemetJohnd.youwouldhavemetJohnd2.Supposingthisship______,doyouthinktherewouldbeenoughlifejacketsforallthepassengers?a.wassinkingb.hassunkc.weretosinkd.sunkc3.Theinsectswoulddevourallourcropsandkillourflocksandheads,if______fortheprotectionwegetfrominsect-eatinganimals.a.itisnotb.itwerenotc.wereitnotd.theywerenotb4.Frankly,I’dratheryou______anythingaboutitforthetimebeing.a.dob.don’tdoc.didn’tdod.willnotdoc5.IfI______inthetwenty-firstcentury,I______myvacationinaverydifferentway.a.shouldlive…wouldspendb.willlive….shouldspendc.areliving…shouldhavespentd.willbeliving…wouldhavespenta6.It’shightimeyou______.a.starttoworkb.wouldstarttoworkc.startedtoworkd.hadstartedtoworkc