《2025年情景导学高中英语必修第二册外研版》

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In 1980, Benchley was diving when he came across an awful sight. 1980 年,本奇利在潜水的时候看到了可怕的一幕。
名师点拨
本句使用了句型 be doing sth when...,该句型意为“正在做某事,这时……”。
读句入境
I was watching the football match when he came in.
我正在看足球比赛,这时他进来了。
The deer was (just) about to run away when a crocodile bit its leg.
那只鹿正要逃走,这时一条鳄鱼咬住了它的一条腿。
I had hardly come into the café when it began to rain.
我刚进咖啡馆就下雨了。
归纳小结
① be doing sth when... 正在做某事,这时……
② be (just) about to do sth when... 正要做某事,这时……
③ had hardly done sth when... 刚做完某事,这时……
高考链接
根据汉语意思完成句子
我妈妈正在把食品杂货放进购物袋里,这时一个陌生人来到她跟前。
My mother was putting her groceries into shopping bags when a stranger came up to her.

答案： [归纳小结] ①doing; when ②about to do ③done [高考链接] was putting; when