Question

Who gave you permission to enter?(change the voice)

Answer 1

BY WHOM YOU WERE GIVEN PERMISSION TO ENTER (PASSIVE VOICE. )....

HOPE IT HELPS. ✔❤⤵☺

Answer 2

Active voice:

Who gave you permission to enter?

Passive voice:

By whom were you given permission to enter?

Explanation:

1. The Auxiliary Verb that should be used with 'You' is 'were' and not 'was'.
2. The given sentence is an interrogative sentence, the sentence will be interrogative even in the Passive Voice.

Rules for the transformation of voice from Active to Passive:

1. Move the active sentence's direct object into the sentence's subject slot.

2. Place the active sentence's subject into a phrase beginning with the preposition by.

3. Add a form of auxiliary verb be to the main verb and change the main verb's form.

Rules for the transformation of voice from Passive to Active:

1. Move the passive sentence's subject into the active sentence's direct object slot.

2. Remove the auxiliary verb be from the main verb and change main verb's form if needed.

3. Place the Passive sentence's object of the preposition by into the subject slot.