be doing sth…when正要做某事,恰好
when 后面的那件事情发生
例句:
1、I was watching the football match when he came in.
当他走进来的时候我正在看足球赛。
2、He asked me what I would be doing when he came the next day.
他问我当他第二天来的时候我会在干什么。
扩展资料
同义词:be on the point of doing sth.when...(正要/即将……的时候)
例句:
1、She was on the point of going out when the telephone rang.
她正要出去,电话铃响了。
2、I was on the point of going to bed when you rang.
你来电话时我正要睡觉