A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.
Didn’t they tell you to be here by ten o’clock?

Correct option is A

Definition:
· Active voice: The subject performs the action.
· Passive voice: The object receives the action.
Type of conversion needed:
· Active to Passive (Past Simple Tense in Negative Interrogative Form)
Tense Identification:
· Past Simple Negative Interrogative – "Didn’t" is used to form a negative question.
Rule for Past Simple Interrogative Voice Conversion:
· Active: Didn’t + Subject + base verb + Object?
· Passive: Wasn’t/Weren’t + Object + past participle + by Subject?
Transformation:
· Active: Didn’t they tell you to be here by ten o’clock?
· Passive: Weren’t you told by them to be here by ten o’clock?
Example:
· Active: Didn’t they invite you?
· Passive: Weren’t you invited by them?