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1、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）
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. Ifhehadcomeyester
3、day,Ishould/wouldhavetoldhimaboutit. 含义：Hedidnotcomeyesterday,soIdidnottellhimaboutit. Ifhehadnotbeenillandmissedmanyclasses,hewouldhavemadegreaterprogress. 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+
4、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,youwouldkno
5、wwhattodonow. Letssunderstandtherulesaccordingtothesesentences..25mins.grasptheusageandremembertheusefulexamples.（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,ins
6、ist+宾语从句(should)doHesuggestedthatwe(should)savemoneyforthefuture.Theundergraduateinsistedthathe(should)gotoworkinthesouth.注意：当suggest__________________________用真实语气。 Hissilencesuggestedthatheagreedwithmydecision.Heinsiststhatdoingmorningexercisesdoesgoodt
7、opeople’shealth.(2)Itissuggested/advised/ordered/requested/required…+that从句(should)doItisproposedthatmorestudentsshouldgotouniversity.(3)Myadvice/suggestion/request/requirement/order/proposal…+is+表语从句(should)doMyadviceisthatyoushouldpractisespeakingEnglisha
8、softenaspossible.Theorderfromthecommanderwasthatthetroopsshouldsetoffforthefrontimmediately.(4)Hissuggestion/advice/request/requirement…+同位语从句(should)do+is..Therequestthattheyshouldgetmoreisreasonable.
