年级：高二Learningcontents选修6PeriodthreeGrammar:SubjunctiveMood(I)教师个案学生笔记LearningaimsGrasptheusagesofthegrammarLearningimportantpointsTheusagesofthegrammarLearningdifficultpointsTheusagesofthegrammarLearningmethodsSummarizingandpracticing---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---LearningprocedureLearningprocedureStepone:Revision一、语气的分类英语的动词一般可带三种不同的语气:陈述语气,祈使语气和虚拟语气。不同的语气用动词的不同形式来表示。陈述语气：Iwenttothetheatreyesterday.Jackhadn’tcomebackhomeyet.祈使语气:Let’sgo.Don’ttouchanythingonthetableuntilthebellrings.虚拟语气:IfIwereyou,Iwouldnotleaveheralone.Ourteachersuggestedthatwegotothelibrary---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---thisafternoon.虚拟语气(TheSubjunctiveMood)表示说话人所说的话不是事实,而是一种假设,愿望,怀疑或推测。虚拟语气主要用于if条件状语从句,也可用于名词性从句等。虚拟语气在‘if’条件句中的用法：1．在非真实性条件句与主句中的用法1）表示与现在事实相反条件从句主句一般过去时（be多用于were）would/should/could/might＋动词原形例如：IfIwereyou,Ishouldaccepttheinvitation.如果我是你，我会接受邀请的。2）与过去事实相反条件从句主句---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---过去完成时would/should/could/might＋havedone例如：Ifyouhadcomeearlier,youcouldn’thavemissedthebus.如果你早点来，你就不会错过那辆公共汽车了。3）与将来事实可能相反条件从句主句一般过去时（be多用were）shoulddo,weretodowould/should/could/might＋动词原形例如：Ifheweretocome,whatshouldwesaytohim.假如他来了,我们对他说什么呢？2.if的省略如果条件句中有were,had,should等助动词，可将if省略，而把were,had或should置于句---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---首,来表达以if引导的条件句的相同意思。例如：Shoulditrain/wereittoraintomorrow,themeetingwouldbeputoff.3.虚拟语气在名词性从句中的用法含蓄条件句与主句.即用without(＝butfor),or(else)代替if从句。例如：Without/Butforhishelp,wewouldn’thavemadesuchgreatprogress.＝Iftherehadn’tbeen/wehadn’tgothishelp,wewouldn’thavemadesuchgreatprogress.虚拟语气高考链接1.——Alice,whydidn’tyoucomeyesterday?——I_____,butIhadanunexpectedvisitor.---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---A.hadB.wouldC.wasgoingtoD.did2.Iftherewerenosubjunctive,English______mucheasier.A.willbeB.wouldhavebeenC.couldhavebeenD.wouldbe3.Theguardatthegateinsistedthateverybody______therules.A.obeysB.obeyC.willobeyD.wouldobeyStepfive：SummaryStepsix:RethinkandaskquestionsStepseven:Homework---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---