Change into passive: ‘All his friends laughed at him’

B. He was laughed at by all his friends.

Here’s how we follow the active to passive voice rule:

Active Voice: Subject (All his friends) + Verb (laughed) + Object (him)

Passive Voice: Object (him) + Verb (to be + past participle) + By + Agent (Subject)

Explanation:

• Object: “Him” becomes the subject in the passive sentence – “He”
• Verb: “Laughed” becomes the past participle “laughed” with the helping verb “was” – “was laughed at”
• By + Agent: “By all his friends” clarifies who performed the action (laughing) – remains the same