不能用于被动语态的动词和词组

come true, consist of, take place, happen, become, rise, occur, belong, break out, appear, arrive, die, fall, last, exist, fail, succeed

It took place before liberation.

下列动词的主动语态表示被动意义, 而且常与well, quite, easily, badly等副词连用。

lock ( 锁 ) ; wash ( 洗 ); sell ( 卖 ); read ( 读 ); wear ( 穿 ); blame (责备)；ride (乘坐)； write ( 写 )；

Glass breaks easily. 玻璃容易破碎。

The car rides smoothly. 这车走起来很稳。

The case locks easily. 这箱子很好锁。

The book sells well. 这本书很畅销。

一些常用经典被动句型：

It is said…, It is reported…, It is widely believed…， It is expected…, It is estimated…,

这些句子一般翻译为“据说……”，“人们认为……”，

而 “以前人们认为……” 则应该说：It was believed…, It was thought…