would在虚拟语气中是怎么意思?

would在虚拟语气中是怎么意思? 虚拟语气中'd怎么区别是had还是would? would/could/must have done在虚拟语气中怎么用? 虚拟语气中（should would could）应该怎么选择? could would should 在虚拟语气中是如何区别使用的? 在虚拟语气中,是在虚拟语气中.if从句和should. would rather 怎么区分是不是虚拟语气 怎么分别would、should是情态动词,还是助动词啊?这两个词还有什么用法?在虚拟语气中算什么词? 关于虚拟语气在虚拟语气的主句中,would/could/should/might这几个情态动词可以互换吗? would rather 是用语虚拟语气吗? would prefer would rather 的用法和区别在虚拟语气中 有关英语的题目在虚拟语气中,would和would have到底什么时候用? what would happen if...中would是什么意思是虚拟语气吗？ 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? 请问could和would在虚拟语气中有什么区别?请问could和would在虚拟语气中有什么区别. 虚拟语气中主句中的助动词would could should might 怎么选 疑：在虚拟语气中would should 的用法与区别比较回答优秀追加得分 shall have done和would have done在虚拟语气句中是什么意思?