被动语态Passive Voice (be + p.p.)

S + Vt. + O → O + be + p.p. + by + S

Jack opened the window. → The window was opened by Jack.

The cat chased the mouse. → The mouse was chased by the cat.

John locks the door every day. → The door is locked by John every day.

何时使用？

a.不知道执行者是谁，或认为不重要时。

His car was stolen. 他的车被偷了。

The house was built in 1900. 那栋房子是在1900年建造的。

The sweater was made in England. 这件毛衣是英国制造的。

b.接受者是强调的重点。

Many accidents are caused by drunken driving。

很多车祸肇因于酒后驾车。

Ten people were killed in the traffic accident.

十个人车祸中丧生。

The bill has been paid by me. 账单我已经付过了。

c.说话者想做客观超然的叙述。

It is said that her mother got married at 16.

听说他妈妈16岁就结婚了。