Rules and Chart of Active to Passive Voice

  1. Generally, 8 tenses are changed into passive voice.
  2. Present perfect continuous, past perfect continuous, future continuous and future perfect continuous are not changed into passive voice.
  3. The subject is put in place of the object and the object is placed in the place of the subject.
  4. Generally by’ is used before the new object.
  5. Always 3rd form of the verb is used.
  6. Helping verbs are changed according to the following chart.
  7. Chart of helping verbs used in active voice and passive voice.  
TENSE ACTIVE PASSIVE
Present Indefinite Do, does or (s, es) Is, are, am
Present Continuous Is, are, am Is being, am being, are being
Present Perfect Has, have Has been, have been
Past Indefinite Did or  2nd form Was, were
Past Continuous Was, were Was being, were being
Past Perfect Had Had been
Future Indefinite Will, shall Shall be, will be
Future Perfect Will have, shall have Will have been, shall have been
Subject Object Possessive Possessive Reflexive
I me my mine myself
We us our ours ourselves
You you your yours yourself
He him his his himself
She her her hers herself
They them their theirs themselves
It it its its itself
One one ones ones oneself

Active to Passive in Model Auxiliaries:

While changing active to passive voice, ‘be’ is used along with them such as:

Can- can be, could-could be, may-may be, should-should be, would-would be, might-might be, must-must be, has to-has to be, have to- have to be, had to had to be,  is to-is to be, are to-are to be, am to am to be, was to- was to be, were to-were to be…

Example:

Active: Can you solve these questions?

Passive:  Can this question be solved by you?

Active: You must invite your friends?

Passive: Your friends must be invited by you?

Active; I have to cook my food daily.

Passive: My food has to be cooked by me daily.

Active to Passive in Imperative Sentences: 

Method-1

You are requested to

You are advised to

You are ordered to

You are asked to

You are suggested to

You are commanded to

Active: Open the door.

Passive: You are asked to open the door.

Active: Please help me.

Passive: You are requested to help me.

Method2:

Use of Let…be

Active: Do it.

Passive: Let it be done by you.

Active: Complete your work.

Passive: Let your work be completed by you.