1) Madiha Mustafa submitted Assignment #3 on the topic of passive voice for her B.S. in Zoology class. 2) The document defines passive voice and explains how to change sentences from active to passive voice by making the recipient of the action the subject. 3) Examples are provided of changing tense between active and passive voice for various verb tenses.

2. Assignment #3
Assignment of Passive voice
Submitted by Madiha Mustafa
Student ID 210026
Class B.S. Zoology
Submission date 2nd jan 2022
Submitted to Prof. Muqarab jameel

3. Passive voice
Definition: Passive voice produces a sentence in which the
subject receives an action. Passive voice often creates unclear, less direct, wordy
sentences .
Explanation: To change a sentence from passive to active voice, determine who
or what performs the action, and use that person or thing as the subject of the
sentence.
In passive voice sentence ,we use By To With
Sentences having intransitive verbs cannot be converted into passive voice .
Sentences which contain perfect continuous tense cannot change into passive voice.
In passive voice sentences we use only 3rd form of verb
Examples:
1- she plays football.
Football is played by her
2- Amina is watching a movie

4. Present indefinite tense
 Active voice
Sub+1st form +s/es + obj
Eg. Ali eats pizza.
Sub + do/does not+1st form + obj
Eg. They do not write a letter.
Do/does+sub+1st form+obj+?
Eg. Do farmers grow crops?
 Passive voice
Obj + is/are/am+3rd form+ by + sub
Eg. Pizza is eaten by Ali.
Obj + is/are/am+not+3rd form + by + obj
Eg. A letter is not written by them.
Is/are/am+obj+3rd form+by+sub+?
Are crops grown by farmers?
Simple: Simple:
Negative: Negative:
Interrogative: Interrogative:

5. Present perfect tense
Active voice:
Sub + has/have + 3rd + obj.
Eg. Bird has laid egg in the nest.
Sub + has/have + not + 3rd form+ obj.
He has not written books.
Has/have +sub + 3rd form + obj+?
Have they taken care of children?
Passive voice:
Obj+has/have+been+3rd form+by+sub
Eg. Egg has been laid by bird in the nest.
Obj + has/have + not +been =3rd form + by+ sub.
Books have not been written by him
Has/have +obj +been +3rd form +by +sub+?
Have children been taken care of by them?
simple simple
Negative Negative
interrogative Interrogative

6. Present continuous tense
Active voice
Sub + is/are/am+1st form+ing+obj.
He is writing a book.
Sub + is/are/am + not +1st form+ ing +book
She is not washing a jacket.
Is/are/am+sub + 1st form +obj+?
Is she knowing the truth ?
Passive voice
Obj+is/are/am+being+3rd form+by+obj
A book is being written by him.
Obj +is/are/am +not +being +3rd form + by +obj
A jacket is not being washed by her.
Is/are/am +obj+ being+3rd form + by+ obj+?
Is the truth being known by her?
simple Simple
Negative Negative
Interrogative Interrogative

7. Past indefinite tense
Active voice
Sub + 2nd form +obj.
He wrote a book.
Sub + did + not + 1st form + obj.
They did not buy a car.
Did + sub +1st form + obj+?
Did they eat chocolates
Passive voice
Obj + was/were + 3rd form + by + sub.
A book was written by him.
Obj+ was/were +not + 3rd form + by +obj
A car was not bought by them.
Was/were +obj + 3rd form +by + sub+?
Were Chocolates eaten by them?
Simple Simple
Negative Negative
Interrogative Interrogative

8. Past perfect tense
Active voice
Sub + had + 3rd form + obj.
I had played a guitar .
Sub + had + not +3rd form +obj.
We had not won the match.
Had +sub +3rd form + obj +?
Had they broken my window?
Passive voice
Obj +had + been + 3rd form +by + sub.
A guitar had been played by me.
Obj + had + not + been + 3rd form +by +sub.
The match had not been won by us.
Had + obj + been + 3rd form + by + sub +?
Had my window been broken by them?
Simple Simple
Negative Negative
Interrogative Interrogative

9. Past continuous tense
Active voice
Sub + was/were +1st form +ing+obj
Aleena was singing a song .
Sub + was/were + not +1st form +ing+ obj
Babloo was not watching cartoon .
Was/were +sub +1st form +ing+obj+?
Was Hamid flying a kite ?
Passive voice
Obj + was/were +being + 3rd form + by + sub.
A song was being sung by Aleena.
Obj + was/were + not +being + 3rd form +by +sub.
Cartoon was not being watched by cartoon.
Was/were + obj + being + 3rd form +by +sub.
Was a kite being flown by Hamid ?
Simple Simple
Negative Negative
Interrogative Interrogative

10. Future indefinite tense
Active voice
Sub + will/shall+1st form + obj.
They will help you .
Sub + will/shall + not + 1st form +obj.
I will not prepare the lunch .
Will/shall +sub + 1st form + obj+?
Will Nasir finish the construction?
Passive voice
Obj + will/shall + be +3rd form + by +sub.
You will be helped by them.
Obj + will/shall + not +be +3rd form +by +sub.
The lunch will not be prepared by me
Will/shall + obj+ be +3rd form + by + sub +?
Will the construction be finished by Nasir?
Simple Simple
Negative Negative
Interrogative Interrogative

11. Future perfect tense
Active voice
Sub +will/shall + have + 3rd form + obj
She will have attended the party.
Sub + will/shall + not +have+ 3rd form + obj.
Iqra will not have discussed the problem with
the team.
Will/shall + sub +have 3rd form +obj +?
Will he have taught the lesson?
Passive voice
Obj +will/shall + have + been + 3rd form + by +sub
The party will have been attended by her.
Obj +will/shall +not + have + been +3rd form + by + obj.
The problems will not have been discussed by Iqra with team.
Will/shall +obj + have +been +3rd form + by + sub?
Will the lesson have been taught by him?
Simple Simple
Negative Negative
Interrogative Interrogative