could和should的用法?
2个回答
could 能够
用于提问比can委婉
should应该
还可用于虚拟语气,如advise that sb (shouid) do
或用于对将来发生事情的肯定推测
相关问题
请问should,could,would的分别和用法?
could have done 和 should have done的用法是否一样?
should be could be must be will be 的用法及区别
虚拟语气would should could might四个词用法讲解
could you和can的用法.
单词should和could的具体区别
情态动词should和could的用法
can和could的用法?can和could有什么区别?什么时候用哪个?
may和should用法有什么区别
can,could和will,would的用法以及区别