Identify the correct Passive Voice form of the following sentence:- '…

The correct answer is Option (4) → She was laughed at by her colleagues.

Passive voice of a prepositional verb:

Change	Active	Passive	Why
Object becomes subject	her	She	The object “her” becomes the subject “She”.
Tense kept	laughed	was laughed	Simple past “laughed” becomes “was + past participle”: “was laughed”.
Agent (by ...)	Her colleagues	by her colleagues	The doer follows “by”: by her colleagues.
Full sentence	Her colleagues laughed at her.	She was laughed at by her colleagues.

Preposition: in a verb like laugh at, the preposition stays with the verb: was laughed at.

Example: The children looked after the puppy. → The puppy was looked after by the children.

Why the Other Options are Incorrect?

Option 1: He was laughed at by her colleagues. — Incorrect. The object "her" must become She, not "He".

Option 2: He is laughed by her colleagues. — Incorrect.

• The pronoun should be She.
• "Is" changes the tense to the present.
• The preposition at is dropped.

Option 3: Her colleagues never laughed at her. — Incorrect. It is still in the active voice, and "never" reverses the meaning.