The Passive Voice

-Active voice:                                                          -Passive voice:

1/Simple present             to be (am , is , are )+ past participle

Example:

he explains the lesson                           The lesson is explained

2/Simple past                      to be (was, were)+ past participle

Example:

she wrote the homework                     the homework was written

3/Present perfect:

(Have , has+past participle)         have , has+been+past participle

Example:

I have copied the activity                     the activity has been copied

4/Past perfect :

Had +past participle                             had + been + past participle

Example:

they had imitated all products        all products had been

                                                                 imitated

5/Present continuous :

is/am/are +verb+ing                      is/am/are+being+past participle

Example :

the women is cleaning the room       the room is being cleaned

                                                                      by the women

6/Past continuous:

Was/were+verb+ing                      was/were+being+past participle

Example:

She was cleaning the room         the room was being cleaned

7/Modals:

must/can/may/will+infinitive          must/can/may/will+be+past

participle

Example:

Pupils must revise English                 English must be revised

-Other example : 

A- Someone Broke into our house last night.

  B- Our house was broken by someone last night.

A- Millions of people have read Chinua Achebe's book things

fall apart.

  B- Chinua Achebe's  book things fall apart has been read by

millions of people.

A- Nobody noticed this new car.

  B- this new car was not noticed .