江苏省海头高级中学高中英语unit4grammar教案新人教版选修6Teachingaims:(1)Mastertheusageofunrealconditionals.(2)Practiceaboutthe3kindsofunrealconditionals.Importantpoints&difficultpoints:theusageofwish,if-clauseandtheunrealconditionalsinthenounclauses.Procedure:Step1revisionUnrealconditions与事实相反条件从句的谓语形式主句的谓语形式表示现在情况过去式(did)(be常用were)Would/could/might/should+动词原形(do)1.如果现在不下雨的话,我们就出去野餐了。Ifit________notraining,we_________forapicnic.2.如果他来这,他就能够帮助你了。Ifhe_____here,he____________abletohelpyou.3.如果我是你的话,我就会带走他们。IfI_______you,I_______________themaway.与事实相反条件从句的谓语形式主句的谓语形式表示过去情况过去完成式(had+doneWould/could/might/should+havedone1.要是当初她被邀请的话,她就会参加这次聚会了。She________________tothepartyifshe______________.2.今天早上,她要是不叫我的话,我就会睡过头了。Ifshe___________me,I__________________thismorning.3.如果你上个学期用功些,你就会在考试中过关了。Ifyou________harderlastterm,you_____________exam.与事实相反条件从句的谓语形式主句的谓语形式表示将来情况①过去式(did)Would/could/might/②should+do③weretodoshould+动词原形(do)1.如果你成功,一切就好了。Ifyou___________,everythingwouldbeallright.Ifyou________________,everythingwouldbeallright.Ifyou________________,everythingwouldbeallright.2.明年我要是二十岁,我就会学计算机课程。IfI_______________twentyyearsoldnextyear,I________________thecourseofcomputerscience.Step2•Completethefollowing•1.如果你昨天问他,你现在就知道怎么办。•Ifyou________himyesterday,you_________whattodonow.•2.如果昨晚下雨,今天会很冷。•Ifit_________lastnight,it______________verycoldtoday.•3.如果我是你,我就不会错过昨天晚上的那部电影。•IfI______you,I___________________thefilmlastnight.Inimpliedconditionals,weuseotherwise,or,andphrasesbeginningwithwith,withoutandbutforinplaceofif-clauses.•1.我很忙,否则我可帮助你。•Iambusynow,otherwiseI_______________youthefavor•2.要不是你的劝告,我是不会做这份工作的。•Butforyouradvice,I____________abletodothiswork.•3.要不是你,我不会认识他•Withoutyou,I_______________________him.Wecanputshould,were,andhadatthebeginningofanunrealconditionalsentence.Inthiscase,ifisnotneededanymore.SubjunctiveMoodinNounClause•后的宾语从句中谓语动词用should+动词原形。should可省略•1.Isuggestedthatit___________quickertotravelbytrain.(be)•2.Heinsistedthatwe________________himthenews.(tell)•3.Heorderedthatthestudents_____________theclotheseveryweekbythemselves.(wash)•4.Sherecommendedthatwe_______________givingoffense.(avoid)•5.Heinsistedthatallofus___________thereontimebyanymeans.(be)•6.Theteachersuggestedthatwe_____________theblackboardafterclass.(clean)•7.IdemandthatJohn_______________thereatonce.(go)•8.Weareallforyourproposalthatthediscussion_______________putoff.(be)Unrealsituationsintroducedbyevenif,asif,asthough,ifonly,whatif•1.Hepretendsasifhe____________thethingatall,butinfactheknowsitverywell.•他假装好象完全不懂那事,其实他对那事非常了解。•2.Theoldmanlookedatthepicture,hefeltasthoughhe___________backtotime20yearsago.•那老人看着照片,他觉得仿佛回到20年前的时光。•3.Theytalkedandtalkedasifthey_______________again.•他们谈了又谈,仿佛他们不会再相见的样子。•4.HeordersmeaboutasifI__________hiswife.•他对我指东指西的,就好像我是他的妻子似的。•5.HetalksaboutRomeasthoughhe_________therehimself.•他谈论起罗马来就好像他去过那里似的。•6.Hebehavesasifhe__________theplace.•他的所作所为好像他是这个地方的主人。2.Preview“Task”.