will have done 一般与什么时间状语连用?我只知道它在虚拟语气中用would have done 的形式.

will have done 一般与什么时间状语连用?我只知道它在虚拟语气中用would have done 的形式. 虚拟语气would have done 的用法 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 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? If引导的虚拟语气句子 一般 将来 过去 还有主语加would have done/been 虚拟语气 should have done 与 could have done 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 虚拟语气中的would/conld/should do/have done 与 did/had done有何区别 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） 虚拟语气中对过去的虚拟主句否定是用would have not done or would not have done? 英语虚拟语气中sb should /would do(have done) 与主语人称的搭配有什么讲究吗