but we could go swimming请解释下COULD的意思和用法 还有是什么语法
it's too hot today.but we could go swimming 里面的COULD为什么是过去式啊
We-----but could------nothing.
can和could的用法?
can 和could的用法?
could和should的用法?
Would Might Should Could的用法是什么
could 和can 的区别和用法?
哪位能否解释下could have done与would have done的用法区别?
请解释下这句话的意思.还有它的语法知识.
could的用法和can的关系
could和should的用法区别
could和Can的用法区别?