Change the following from active to passive:
The agency had been monitoring dissent groups covertly for months.
Show answer & explanation
Correct answer: B
Explanation
Dissent groups had been monitored covertly by the agency for months.
Explanation:
Active sentence:
The agency had been monitoring dissent groups covertly for months. (Past Perfect Continuous)
Passive rule:
Past Perfect Continuous → had been + being + past participle
But in practice, we simplify it to had been + past participle
So:
had been monitoring → had been monitored
Structure:
Object + had been + past participle + by + subject
Hindi meaning:
विरोधी समूहों की महीनों तक एजेंसी द्वारा गुप्त रूप से निगरानी की गई थी।