Passive Sentences
In a passive sentence, the subject does not perform the action in the sentence. In fact, the action is performed on it.
For example:
Sentences can be active or passive. Thefore, tenses also have "active forms" and "passive forms". You must learn to recognize the difference to successfully speak English.
Active Form
In active sentences, the thing doing the action is the subject of the sentence and the thing receiving the action is the object. Most sentences are active.
[Thing doing action] + [verb]+ [thing receiving action]
Passive Form
In passive sentences, the thing receiving the acton is the subject of the sentence and the thing doing the action is optionally included near the end of the sentence. You can use the passive form if you think that the thing receiving the action is more important or should be emphasized. You can also use the passive form if you do not know who is doing the action or if you do not want to mention who is doing the action.
[Thing receiving action] + [be] + [past participle of verb] + [by] + [thing doing action]
Example of Passive and Active
NOTE:
Choosing the active or the passive form of a sentence does not change the meaning, but it does affect the way you think about the information in the sentence. Use an active sentence to focus on who or what performs the action. Use a passive sentence to focus on the receiver or the result of an action.
There are some verbs that they don't have passive form,like appear, come, die, go, look, rain, stay, arrive, cry, emerge, happen, occur, sleep, walk.
Practice:
In my opinion the active voice is more easier than passive voice, but with the practice the topic could be more easier. And with the help of the teacher the topic is more clear.
