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Passive voice for Present/Future Modals
“CAN, MAY, MIGHT, SHOULD, MUST, OUGHT TO”

  • The places of subject and object in sentence are inter-changed in passive voice.
  • 3rd form of verb (past participle) will be used only (as main verb) in passive voice.
  • To change sentences having present/future modal into passive voice, auxiliary verb “be” is added after modal in sentence.

                                    Passive voice for Present/Future Modals

                             “CAN, MAY, MIGHT, SHOULD, MUST, OUGHT TO”

Auxiliary verb in passive voice: be

Active voice: CAN
She can play a violin.
She cannot play a violin.
Can she play a violin?

Passive voice: CAN BE
A violin can be played by her.
A violin cannot be played by her.
Can a violin be played by her?

Active voice: MAY
I may buy the computer.
I may not buy the computer.
May I buy the computer?

Active voice: MAY BE
The computer may be bought by me.
The computer may not be bought by me.
May the computer be bought by me?

Active voice: MIGHT
Guests might play chess.
Guests might not play chess.

Active voice: MIGHT BE
Chess might be played by guests.
Chess might not be played guests.

Active voice: SHOULD
Students should study all lessons.
Students should not study all lessons.
Should students study all lessons?

Active voice: SHOULD BE
All lessons should be studied by students.
All lessons should not be studied by students.
Should all lessons be studied by students?

Active voice: MUST
You must learn the test-taking strategies.
You must not learn the test-taking strategies.

Active voice: MUST BE
Test-taking strategies must be learnt by you.
Test-taking strategies must not be learned by you.

Active voice: OUGHT TO
They ought to take the examination.

Active voice: OUGHT TO BE
The examination ought to be taken by them.

Passive voice for Past Modals
“MAY HAVE, MIGHT HAVE, SHOULD HAVE, MUST HAVE, OUGHT TO HAVE”

  • The places of subject and object in sentence are inter-changed in passive voice.
  • 3rd form of verb (past participle) will be used only (as main verb) in passive voice.
  • To change sentences having past modal into passive voice, auxiliary verb “been” is added after modal in sentence.

                                 Passive voice for Present/Future Modals
 “MAY HAVE, MIGHT HAVE, SHOULD HAVE, MUST HAVE, OUGHT HAVE TO”

Auxiliary verb in passive voice: been

Active voice: MAY HAVE
You may have availed the opportunity.
You may not have availed the opportunity.

Active voice: MAY HAVE BEEN
The opportunity may have been availed by you.
The opportunity may not have been availed by you.

Active voice: MIGHT HAVE
He might have eaten meal.
He might not have eaten meal.

Active voice: MIGHT HAVE BEEN
Meal might have been eaten by him.
Meal might not have been eaten by him.

Active voice: SHOULD HAVE
You should have studied the book.
You should not have studied the book.

Active voice: SHOULD HAVE BEEN
The book should have been studied by you.
The book should have not been studied by you.

Active voice: MUST HAVE
He must have started job.
He must not have started job.

Active voice: MUST HAVE BEEN
Job must have been started by you.
Job must not have been started by you.

Active voice: OUGHT TO HAVE
You ought to have helped him.

Active voice: OUGHT TO HAVE BEEN
He ought to have been helped by you

 

 

Click on the following links to study each aspect of active and passive voice.

a Active and Passive Voice
a Passive voice for all TENSES - Rules, use of auxiliary verbs and examples.
a Passive voice for Present Modals like “CAN, MAY, MIGHT, SHOULD, MUST,    OUGHT TO” and Past Modals like “MAY HAVE, MIGHT HAVE, SHOULD HAVE,    MUST HAVE, OUGHT TO HAVE”
a Passive voice of imperative sentences (command and request)
a Sentences which cannot be changed into passive voice – Intransitive verbs.