山东省郯城县高二英语《Unit（2）Grammar虚拟语气》教案高二年级英语备课组主备人陶婧婧课型grammar验收结果：合格时间2011年11月24日分管领导课时第13周第4课时总第38课时教学目标：MastertheusageofemissionTrytowritesomesentencesusingemission重点、难点掌握虚拟语气的结构教学过程教师活动学生活动Step1.importantrules.虚拟语气表示说话人的主观愿望、猜测建议或与事实不符的假设。虚拟语气可分为三种：（1）一般虚拟（2）混合虚拟（3）特殊句式1.一般虚拟If的句型：1）时态：可以表示过去，现在和将来的情况。它的基本特点是时态退后。a.同现在事实相反的假设。句型：一般过去时(从句)+should(would)+动词原形（主句）Iftheywerehere,theywouldhelpyou.b.表示于过去事实相反的假设。句型：过去完成时(从句)+should(would)have+过去分词（主句）Ifshehadworkedharder,shewouldhavesucceeded.Ifhehadcomeyesterday,Ishould/wouldhavetoldhimaboutit.含义：Hedidnotcomeyesterday,soIdidnottellhimaboutit.Ifhehadnotbeenillandmissedmanyclasses,heLetssunderstandtherulesaccordingtothesesentences..25mins.grasptheusageandremembertheusefulexamples.wouldhavemadegreaterprogress.含义：Hewasillandmissedmanylessons,sohedidnotmakegreaterprogress.c.表示对将来的假想句型:一般过去时/should+动词原形/were+不定式(从句)+would+动词原形（主句）⑴Ifyousucceeded,everythingwouldbeallright.⑵Ifyoushouldsucceed,everythingwouldbeallright.⑶Ifyouweretosucceed,everythingwouldbeallright.2.混合条件句主句与从句的动作发生在不同的时间，这时主，从句谓语动词的虚拟语气形式因时间不同而不同，这叫做混合条件句。Ifyouhadaskedhimyesterday,youwouldknowwhattodonow.（从句与过去事实相反，主句与现在事实相反。）Ifithadrainedlastnight(过去),itwouldbeverycoldtoday(现在).3.特殊句式：(1).suggest,order,propose,request,require,demand,advise,insist+宾语从句(should)doHesuggestedthatwe(should)savemoneyforthefuture.Theundergraduateinsistedthathe(should)gotoworkinthesouth.注意：当suggest__________________________用真实语气。Hissilencesuggestedthatheagreedwithmydecision.Heinsiststhatdoingmorningexercisesdoesgoodtopeople’shealth.Inthispart,weneedtoencouragethesstoanswerflexibly,andtellthemsometechniquetosolvetheseproblems.依据学生的问题进行讲解。10mins.(2)Itissuggested/advised/ordered/requested/required…+that从句(should)doItisproposedthatmorestudentsshouldgotouniversity.(3)Myadvice/suggestion/request/requirement/order/proposal…+is+表语从句(should)doMyadviceisthatyoushouldpractisespeakingEnglishasoftenaspossible.Theorderfromthecommanderwasthatthetroopsshouldsetoffforthefrontimmediately.(4)Hissuggestion/advice/request/requirement…+同位语从句(should)do+is..Therequestthattheyshouldgetmoreisreasonable.(5)Itisnatural/necessary/strange+that从句(should)do表惊奇、怀疑、惋惜、不满、理应如此等。It’sstrangethatheshouldhavemissedthetrain.（表竟然）Itisimportantthatweshouldlearnfromothers.（表理应如此）Itisapitythatheshouldnotgowithus.(表惊讶、不满)（6）wish+thatclause(did/were与现在相反)wish+thatclause(would/could/might+do与将来相反)wish+thatclause(haddone与过去相反)IwishIcouldgowiththemtomorrow.IwishIhadnevermethim.(7)Itis(high/about)time+从句(did,shoulddo)Itis(high/about)timewewenthome.(8)wouldrather+clause(did___________)；（hadGivethesssomeguidanceofhowtodothecomprehensionatthesametime.10mins.Makesuretheycanrememberthiswell.Theexxareveryeasyandforssitisverynecessarytogetthemainpoints.done________________）Iwouldratheryoucametomorrow.Iwouldratheryouhadn’ttoldherthenews.(9)asif+clause(did/were与现在相反)/(w...
