he was still smiling when the door opened and his wife came in

来源:百度知道 编辑:UC知道 时间:2024/05/18 14:42:06
the door opened, 我听过open the door, 这里是怎么回事?

这是一个句型

be (过去进行时) doing something when something else happened (过去时)

他仍在笑时门开了,太太走了进来。(说明他没想到太太会在这里到来。)

是倒装

这是个时间状语从句,在when the door opened and his wife came in这个从句里面做状语.