active and passive要怎么区分（怎么分辨active和passive）

区分的方法是：

active主动语态，passive被动语态，主动语态是有生命的人或动物是主语，被动语态正好相反，主语是物或事，举例如下：

The dog eats a piece of meat.

a piece of meat is eaten by the dog.