留学群为你整理了高考英语常考句型：when 句型，供你参考，更多相关资讯请关注本网站更新。高考英语必备句型：when 句型(1) be doing sth...when...例：He was still smiling when the door opened and his wife came in.他正笑着的时候门突然开了，他妻子走了进来。(2) be about to do sth ... when ...例：We were about to start when it began t...