怎样判定虚拟语气的过去 现在 和将来的形式我有点分布请,应为着三种不一样,
问题描述：
怎样判定虚拟语气的过去 现在 和将来的形式
我有点分布请,应为着三种不一样,
答
If条件句 主句
过去 Had done / been Would/ should/ could have done
现在 Were /did sth Would / should/ could do
将来 Were to /should /did Would / should/ could do
清楚吗?