see sb ding sth 怎么变被动语态

网友回答

举例来说：I saw him watching TV.变成被动就是：
He was seen watching TV.
======以下答案可供参考======
供参考答案1:
sb be seen doing sth.某人被看见正在做某事.
变被动语态要把原句的主语变为介词BY的宾语,原句的谓语动词变为BE+动词过去分词,原句的宾语变为主语.而且时态要保持一致.比如二楼的举例,就是按照这个规则来变的.
供参考答案2:
sb be seen doing sth.某人被看见正在做某事.