would have done和虚拟语气有关 would have sth是个什么语法概念?
would have done和虚拟语气有关 would have sth是个什么语法概念?
虚拟语气would have done 的用法
求虚拟语气的讲解 had sb done sth,sb would have not done
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?
shall have done和would have done在虚拟语气句中是什么意思?
虚拟语气中的would have done 与could have done结构 有什么 区别?什么时候用would什么
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非虚拟语气情况下的用法和意义
虚拟语气的主句,什么时候用would do?什么时候用would have done?
虚拟语气中的would/conld/should do/have done 与 did/had done有何区别
虚拟语气 if You could have done other career What would it have