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1、If 条件句 虚拟语气if 条件句从句主句现在动词过去式或wereWould /should/ could/ might +do 将来动词should 或were to do Would /should/ could/ might +do过去动词had done Would /should/ could/ might +have done 省略if 从句倒装不变If I were you ,I wouldnt do that If it hadnt rained ,I would have been out to play If I were to be a doctor,I would he
2、lp those patients Hadnt it rained, ,I would have been out to play 情态动词完成式暗示虚拟语气： Should have done 本该做。却没做Shouldnt have dong 不该做。却做了Neednt have done 没必要做 。却做了 。例如：I should have called me . 强化训练：虚拟语气 1Were it not for the snowy weather, we - all right. A. would be B. would have been C. were D. may be 2
3、.- more careful, his ship would not have sunk. A. If the captain were B. Had the captain been C. Should the captain be D. If the captain would have been 3. If he -me tomorrow, I would let him know. A. should call B. should not have been able C. were not able D. are not able 4.- today, he would get t
4、here by Friday. A. Would he leave B. Was he leaving C. Were he to leave D. If he leaves 5. _I you, I would go with him to the party. A. Was B. Had been C. Will be D. Were 6. Had Paul received six more votes in the last election, he- our chairman now. A. must have been B. would have been C. were D. would be