情态动词的When we worked in the same office,we( ) often have coffee together.A would B could正确答案是A,为什么?

问题描述:

情态动词的
When we worked in the same office,we( ) often have coffee together.
A would B could
正确答案是A,为什么?

这表示虚拟语气,结构为If+S+V.ed+其他,S+should或would+V
V表示 动词
S表示 主语
V.ed表示动词的过去式