Active and Passive Voice – Change of Voice - Present and Future Modals – Rules

Active and Passive Voice – Change of Voice – Present and Future Modals – Rules

(e.g. MAY, MIGHT, CAN, MUST, SHOULD, OUGHT TO)

Active Voices	Passive Voices
Passive Voices for Present & Future Modals (e.g. MAY, MIGHT, CAN, MUST, SHOULD, OUGHT) Auxiliary Verb used in Passive Voice: Be
CAN	CAN BE
He can drive a car.	A car can be driven by him
He cannot drive a car.	A car cannot be driven by him.
Can he drive a car?	Can a car be driven by him?
MUST	MUST BE
He must learn this book.	This book must be learnt him.
He must not learn this book.	This book must not be learnt by him.
Must he learn this book?	Must this book be learnt by him.
MAY	MAY BE
She may eat an apple.	An apple may be eaten by her.
She may not eat an apple.	An apple may not be eaten by her.
May she eat an apple?	May an apple be eaten by her?
MIGHT	MIGHT HAVE
She might kill the snake.	The snake might be killed by her.
She might not kill the snake.	The snake might not be killed by her.
Might she kill the snake?	Might the snake be killed by her?
SHOULD	SHOULD BE
I should buy this clock.	This clock should be bought by me.
I should not buy this clock.	This clock should not be bought by me.
Should I buy this clock?	Should this clock be bought by me?
OUGHT TO	OUGHT TO BE
You ought to help her.	She ought to be helped by you.
You ought not to help her.	She ought not to be helped by you.

⇒ Active and Passive Voice – Change of Voice – Past Modals – Rules

(e.g. MIGHT HAVE,MAY HAVE, SHOULD HAVE, OUGHT TO HAVE, MUST HAVE)

Active Voices	Passive Voices
Passive Voices for Past Modals (e.g. MIGHT HAVE, MAY HAVE, SHOULD HAVE, OUGHT HAVE, MUST HAVE) Auxiliary Verb used in Passive Voice: BEEN
SHOULD HAVE	SHOULD HAVE BEEN
I should have started a job.	A job should have been started by me.
I should not have started a job.	A job should not have been started by me.
Should I have started a job?	Should a job have been started by me?
MUST HAVE	MUST HAVE BEEN
He must have passed the exam.	The exam must have been passed by him.
He must not have passed the exam.	The exam must not have been passed by him.
MAY HAVE	MAY HAVE BEEN
You may have helped the kids.	The kids may have been helped by you.
You may not have helped the kids.	The kids may not have been helped by you.
MIGHT HAVE	MIGHT HAVE BEEN
He might have killed the snake.	The snake might have been killed by her.
He might have not killed the snake.	The snake might not have been killed by her.
OUGHT TO HAVE	OUGHT TO HAVE BEEN
You ought to have finished the task.	The task ought to have been finished by you.
You ought not to have finished the task.	The task ought not to have been finished by you.