find sb doing造句

问题描述:

find sb doing造句

I find my sister doing homework.

The police found the thief stealing. 警察发现小偷正在行窃

I find he is doing his homework
I found(find的过去时) he was stealing bike.
我(过去)发现他正在偷车子.
I found(find的过去时) they were helping children.
帮助孩子.