【人教课标选修6】虚拟语气

                                     would/could/should/might do

e.g 1) If I had come yesterday, I would have met him.

   2) ① If I had time, I would come.

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   3) ①If it didn’t rain tomorrow,           

     ②If it were not to rain tomorrow,        we would go out.

     ③If it should rain tomorrow,

△     if 从句中若有动词were, should 或had,可以省略if ,并且把were, should 或had置于主语之前，构成倒装句

1）  Had I come yesterday, I would have met him.

2）  ① 无法倒装

   ② Were I you, I would go.

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       ② were it not to rain tomorrow,          we would go out.

③should it rain tomorrow,

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