我看见了在虚拟世界中的人是如何生活和工作的。

（1）see sb. doing sth.指“看见某人正在做某事”，强调过程。被动语态为：sb. be seen doing sth.

I saw the cook smoking in the kitchen at that time.

那时我看见厨师正在厨房抽烟。

（= The cook was seen smoking in the kitchen at that time.）

（2）see sb. do sth.指“看见某人做过某事”，强调结果。被动语态为：sb. be seen to do sth. /see sth. done。

I saw the thief enter the building.

我看见了这个贼进了大楼。

（=The thief was seen to enter the building.）

I’d like to see the work finished tomorrow.

我希望这个工作明天就可以完成。