Definition: In Chinese the active voice and passive voice are defined for two words: 把 (Bǎ) for the active voice and 被 (Bèi) for the passive voice, also you will see to continuation that order of words in Chinese is different to English.
In Chinese and English in the active voice when the subject is who performs the action, but the form the write is completely different to English; here you can see as written in Chinese.
For convert the sentence to Chinese you must do the following:
Step one: The boy ate the fish.
Step two: The boy the fish ate.
Step three: The boy the fish eat. (remember that in Chinese the verbs do not change of tense)
Step four: The boy bǎ the fish eat. (point the word bǎ)
Step five: Translate words to Chinese
The boy = 这个男孩(Zhège nánhái)
the fish = 鱼(Yú)
eat = 吃(Chī)
Step five: And finally substituting the words
这 个 男 孩 把 鱼 吃
Zhège nánhái bǎ Yú Chī
The boy ate the fish.
Examples:
I play soccer
我 把 足 球 玩
Wǒ bǎ zúqiú wán
My cousin went shopping
我 的 表 弟 把 购 物 去
Wǒ de biǎo dì bǎ Gòu wù Qù
Passive Voice 被 - Bèi
Here the action taken by the verb is performed by a complement and not by the subject.
For convert the sentence to Chinese you must do the following:
Step one: The fish was eaten by the kid.
Step two: The fish the kid eaten.
Step three: The fish the kid eat. (remember that in Chinese the verbs do not change of tense)
Step four: The fish Bèi the kid eat. (point the word Bèi)
Step five: Translate words to Chinese
The fish = 鱼(Yú)
by the kid =到了孩子(Dàole háizi)
eat = 吃(Chī)
Step five: And finally substituting the words
鱼 被 到 了 孩 子 吃
Yú Bèi Dàole háizi Chī
The fish was eaten by the kid.
Examples:
The juice was made by me.
果 汁 被 由 我 使
Guǒzhī Bèi Yóu wǒ Shǐ
The room was cleaned by me.
房 间 被 由 我 清 洁
Fángjiān Bèi Yóu wǒ Qīngjié
Note: Verbs in Chinese are regular and never change according to the tense like they do in English. For example, in English, the variations of see (saw, seen, etc.) are simply 见 (Jiàn) in Chinese for all tenses.