Passive in English

1. Passive – Use

We only use the passive when we are interested in the object or when we do not know who caused the action.

Example: Appointments are required in such cases.

to be + past participle

How to form a passive sentence when an active sentence is given:

· object of the active sentence becomes subject in the passive sentence

· subject of the active sentence becomes object in the passive sentence (or is left out)

We can only form a passive sentence from an active sentence when there is an object in the active sentence.

Here you will find some examples of how to form the passive depending on the tense.

Tense	Active	Passive
Simple Present	Peter builds a house.	A house is built by Peter.
Simple Past	Peter built a house.	A house was built by Peter.
Present Perfect	Peter has built a house.	A house has been built by Peter.
Past Perfect	Peter had built a house.	A house had been built by Peter.
will-future	Peter will build a house.	A house will be built by Peter.
going to-future	Peter is going to build a house in summer.	A house is going to be built in summer by Peter.