The passive form of the sentence 'The boy laughed at the lame man' is -

A The lame man was laughed by the boy.

B The lame man was laughed at by the boy

C The lame man was being laughed at by the boy

D The man was being laughed at by the boy

Correct Answer: Option B

past indefinite tense এ থাকা active voice কে passive করার নিয়ম -object কে sub+was/were (person অনুযায়ী)+v3+by+sub কে obj