1、If you don't know who is responsible for an action, passive voice can be the best choice.
如果你不知道誰做了某個動作，那使用被動語態(tài)會是最好的選擇。

2、Translating of Passive Voice from English to Chinese
淺議英譯漢中被動語態(tài)的翻譯

3、Some other rules: the passive voice is to be avoided and pop culture references are verboten.
一些其他的準則：避免被動語態(tài)以及不能涉及流行文化。

4、It is only when the drive completes its circuit with the passive voice that a new subject appears.
僅有當驅力以被動語態(tài)完成它的回圈，新的主體才會出現(xiàn)。

5、Use the active voice and passive voice appropriately.
靈活運用主動和被動語態(tài)。

6、The passive voice is avoided by good writers.
好的作家避免使用被動語態(tài)。 實證論述比規(guī)范論述更有說服力。

7、On Textual Functions of EST Passive Voice from A Pragmatic Perspective
科技英語被動句的語篇功能