We could become sick 中为什么要用过去式could
过去式I wish I could fly.这里为什么要用could?不用can?
but still we weren‘t no sure we could beat them这句为什么用过去式?wer
it's too hot today.but we could go swimming 里面的COULD为什么是过去式啊
Could you give me your phone number为什么要用过去式
can用在过去式要变成could吗?
I didn't know she could swim 中为什么用could
they asked me if she could come.中为什么用could
为什么虚拟语气表将来有时用过去式,有时用would/should/could do 奇怪
i could not bear it为什么bear不用过去式
I have a dream that one day we could meet这句话中,关系代词为什么用that而不
We become so caught up in what could have been谁帮忙给翻译一下
We stood at the top from where we could see town.为什么用where不用