虚拟语气
一 If的虚拟语气
从句 主句
had done would/could/should/might have done
If were/did would/could/should/might do
were/did
were to do
should （不能省）do
{
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.
}
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.
}
② were it not to rain tomorrow, we would go out.
③should it rain tomorrow,
………………………………
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