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1、The Subjunctive Mood 虚拟语气虚拟语气【学习目标学习目标】掌握虚拟语气在掌握虚拟语气在if条条件状件状语从句中的使用。语从句中的使用。If he _（drive)more carefully,he _ (not have)the car accident yesterday.（与过去事实相反）（与过去事实相反）had driven would not have had【观察体会】【观察体会】a.If Tom _(be)more careful in the exam,he _(pass)it already.b.If you _(get)up earlier,you _(c
2、atch)the first train.c.If I _(meet)you yesterday,we _(go)to the concert together.had beenwould have passedhad gotwould have caughthad metwould have goneIf I _(have)a lot of money,I _(buy)a villa(别墅）别墅）.had would buy 【观察体会】【观察体会】If I_(be)as tall as Yao Ming.【观察体会】【观察体会】wereI_ woulda.If they _(be)here
3、,they _(take)your advice.b.If the world-war _(burst)out again,what _(happen)to our people on earth?c.If I _(be)in your position,I _(ask)for teachers help.werewould takeburstwould happenwerewould askIf it _(rain)tomorrow,I_(sleep)rainedwould sleep【观察体会观察体会】a.If there _(be)no natural resource any more
4、,we _(make)use of nuclear power.b.What _(happen)if you _(get up)too late tomorrow?c.If Robots _(control)the world some day,here _(be)no friendship.should beshould makewould happenshould get upwere to controlwould be时时 间间 If If 条件句条件句主主 句句过去过去现在现在 将来将来had done助动词助动词be用用were实义动词用过去式实义动词用过去式wouldshould
5、couldmight+dowouldshouldcouldmight+dodidshouldwere to+dowouldshouldcouldmight+have done虚拟语气虚拟语气 在英语中，表示说话人所说的话在英语中，表示说话人所说的话不不是事实，而是一种假设、愿望、怀疑或是事实，而是一种假设、愿望、怀疑或推测推测，要用虚拟语气。虚拟语气可以用，要用虚拟语气。虚拟语气可以用于条件状语从句、名词性从句等。于条件状语从句、名词性从句等。倒装省略的倒装省略的If If虚拟句虚拟句Difficulty1Difficulty1如条件状语中有如条件状语中有were,had,should时时,可
6、以将连词可以将连词ifif省略并倒装成：省略并倒装成：Were/Should/Had+主主+其他其他Were I you,I.Had he been there yesterday,he.Should it snow tomorrow,we.If I were you,I would try it again.If he had been there yesterday,he would have seen the film.If it should snow tomorrow,we wouldnt go out.由介词（短语）with,without,otherwise表示的虚拟结构称为含蓄
7、虚拟条件句含蓄的虚拟条件句含蓄的虚拟条件句Difficulty2Difficulty21.Without sunlight,peoples life_(be)different from today.2.With your help,I _ _（not finish）the work that day.3.He was very busy yesterday,otherwise he _ to the meeting.would bewould not have finished would have come 1.判断是否虚拟判断是否虚拟3.判断虚拟类型判断虚拟类型2.判断虚拟时间判断虚拟时
8、间1.They might have found a better hotel if they _(drive)a few more kilometers.2.If we_(catch)the flight yesterday,we would be enjoying our holiday on the beach now.3.Without electricity,human life _(be)quite different today.4._I_(think）you were serious,I should not have laughed.had drivenhad caughtwould beHad thoughtHomeworkHomeworkTo complete Exercise3 on Page5