释义：

see somebody (sth) +动词 ( ing ) 见到某人做某事

see 的最典型句式。see+somebody ( something ) 后面可以加动词原形或... ing，而... ing 可以用来强调动作的进行过程。

例句：

I saw her leave for school this morning.
我今天早上看到她去学校了。
I never saw her smoke.
我从来没见过她吸烟。
My wife saw my secretary hitting on me.
我老婆看到秘书勾引我。

对话：

A: Is Ann still dieting?
安还在减肥吗？
B: No, I saw her eating some cake.
没，我看到她吃蛋糕了。