would have done 和would had done 分别用在什么句子中?请举例句说明(虚拟语气的用法)
would have done 和would had done 分别用在什么句子中?请举例句说明(虚拟语气的用法)
虚拟语气would have done 的用法
虚拟语气中had done与would have done,did与would do 的用法有何区别
shall have done和would have done在虚拟语气句中是什么意思?
虚拟语气中would could should might have done与had done都是表示过去,在用法上有
虚拟语气中,什么时候用would have done,would do
虚拟语气中对过去的虚拟主句否定是用would have not done or would not have done?
would have done的用法?除了在虚拟语气中的用法外
求虚拟语气的讲解 had sb done sth,sb would have not done
would have done非虚拟语气情况下的用法和意义
would have done和虚拟语气有关 would have sth是个什么语法概念?
would/could/must have done在虚拟语气中怎么用?