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《高中英语 Module5 Grammar课件 外研版选修6(1).ppt》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、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,
2、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,youcouldhavepassedexa
3、m.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，
4、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,theywouldbeheren
5、ow.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.Giveyourown
6、answerstothequestions.Ifyoucouldcloneaman,wouldyoudoit?Yes,Iwould./No,Iwouldn’t.Example:2.Ifyouwereascientist,wouldyouworkforacloningcompany?3.Ifyouhadthemoney,wouldyoupayscientiststocloneyou?4.Ifcloningbecameeasy,wouldthatbeagoodthing,inyouropinion?Ifyouwereheadofthegovernment,wouldyouallowclo
7、ning?Ifscientists______(clone)me,I__________(feel)verystrange.wouldfeelCompletethesentences.cloned2.Ifgovernments_________(notallow)cloning,manyscientists_________(be)veryangry.wouldbedidn’tallow3.IfI____(meet)aclonedcopyofmyself,
