被动语态与主动语态的转化

更新时间：2018-06-21 14:53:54 136次访问

都是一般现在时的，be + pp：

1English is studied by by many students in China .

2The article is written by him .

3Einstein is known by the whole world.

三个变化，都是为了强调动作的承受者。