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1、Usefulstructure(20ms)TheSubjunctiveMood1策划：《学生双语报》TheSubjunctiveMoodI.概念:II.形式:虚拟语气的动词形式在条件状语从句中,其主从句形式有较固定的形式要求(见III.用法1),在名词性从句中多用should+原形,在定语从句,wish后面所接的宾语从句,以及其它状语从句中用过去时.语气是用来表示谈话人的态度和看法的动词形式.英语有三种语气:①陈述语气(同陈述句)②祈使语气(同祈使句),③虚拟语气.虚拟语气不表示一个事实,而是表示一种假设情
2、况.策划：《学生双语报》2策划：《学生双语报》III.用法:1.用于条件状语从句中:主从句构成时态虚拟条件从句主句例句与现在事实相反的假设与过去事实相反的假设If+主语+动词过去时(be用were)主语+would/should/could/might+动词原形IfIhadtime,Iwouldattendthemeeting.If+主语+had+过去分词主语+would/should/could/might+have+过去分词Ifyouhadtakenmyadvice,you’dhavepassedthe
3、exam.策划：《学生双语报》3策划：《学生双语报》主从句构成虚拟条件从句主句例句与将来情况相反的假设①If+主语+动词的过去时②If+主语+wereto+动词原形③If+主语+should+动词原形主语+would/should/could/might+动词原形Ifyoucametomorrow,wewouldhavethemeeting.Ifitweretoraintomorrow,wewouldputoffthesportsmeeting.Ifheshouldnotcometomorrow,wewou
4、ldputoffthemeetingtillnextweek.时态4策划：《学生双语报》Practice:Fillintheblankswithproperforms:He_________(tell)youifhe______(know),I’msure.2.IfI____(have)moretime,I___________(learn)anotherforeignlanguage.3.Ifhe______(be)here,he__________(show)ushowtoperformtheexper
5、iment.4.IfI______(be)you,I_________(pay)moreattentiontoEnglishidioms.5.I___________(help)youifI______(can).6.IfI____________(receive)youre-mail,I____________________(answer)itlongago.wouldtellknewhadwouldlearnwerewerecouldwouldshowwouldpaywouldhelphadrecei
6、vedwouldhaveanswered策划：《学生双语报》5策划：《学生双语报》7.Ifyou___________(start)theworkearlier,you___________________(finish)itbynow.8.Ifwe__________(notrely)onourownstreng-thwe________________(die)ofstarvation.9.IfI__________(know)youraddress,I____________________(writ
7、e)toyouthen.10.IfI___________(notbe)busy,I____________(come)tohelp.11.Ifwe___________(start)outfiveminuteslater,we__________________(miss)thetrain.12.You_______________(meet)thefamousscientistifyou__________(come)yesterday.hadstartedwouldhavefinishedhadn’t
8、reliedwouldhavediedhadknownhadn’tbeenwouldhavemissedwouldwouldhavecomehadstartedhadcomewouldhavemethavewritten策划：《学生双语报》6策划：《学生双语报》13.IfI__________(tell)him,he__________(be)greatlysurprised.14.IfI__________(d
