Passive is used when it is not so important who or what did the action.
- Somebody built this house in 1995. (active)
- The house was built in 1995. (passive)
The form of passive sentence is be followed by past participle
|be (is/am/are/was/were/has been, etc) + past participle|
If you want to say who did or what caused the action, use by:
- This dress was made by my mother
Here is the table of passive form of some active tenses
|Simple present||eats||is eaten|
|Present continuous||is eating||is being eaten|
|Present perfect||has eaten||has been eaten|
|Simple past||ate||was eaten|
|Past continuous||was eating||was being eaten|
|Past perfect||had eaten||had been eaten|
|Future||will eat||will be eaten|
|Conditional||would eat||would be eaten|
|Perfect conditional||would have eaten||would have been eaten|
|Present infinitive||to eat||to be eaten|
|Perfect infinitive||to have eaten||to have been eaten|
|Present participle (gerund)||eating||being eaten|
|Perfect participle||having eaten||having been eaten|
Some examples of passive sentences:
- The students are asked to do the assignment.
- My broken car is being repaired now.
- The room looks nice. It has been cleaned.
- The hotel will be opened next year.
- The house was cleaned last night.
- The house was being cleaned when I arrived.
- The room looked much better. It had been cleaned.
- I don’t like being told what to do.
- The problem can be solved.
- The window should have been cleaned yesterday.