2015年卫生类职称英语：表示现在/过去/将来情况的虚拟条件句
2015-02-06 11:20 来源：医学教育网
卫生类职称英语：表示现在/过去/将来情况的虚拟条件句
虚拟条件句主要有三种结构：
1）表示与现在情况相反：主句谓语用“would / could / might +动词原形”，从句谓语用“动词的一般过去时”(动词be的过去式一律用were)。
If I were you,I would not accept his offer.
If I had time,I would certainly go to the cinema with you.
2）表示与过去情况相反：主句谓语用“would / could / might + have +过去分词”，从句谓语用过去完成时。
If I had got up a little earlier,I wouldn't have missed the train.
If I had been more careful,I might have passed that exam.
3）表示与将来情况相反：主句谓语用“would / could / might +动词原形”，从句谓语用“were +动词不定式”或“should +动词原形”。
If I were to do the job,I would not be able to have enough time to study.
If it should rain tomorrow,I would not go out with you.
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