Who called you a liar? বাক্যের passive voice হচ্ছে-
A
By whom are you called a liar?
B
By whom were you called a liar?
C
By whom you called a liar?
D
By whom was you called a liar?
Correct Answer: By whom were you called a liar?
Who called you a liar? বাক্যের passive voice হচ্ছে - By whom were you called a liar? মূল sentence 'past indefinite' হাওয়ায় you এর auxiliary verb হিসেবে were বসবে।