The correct passive of 'Sheila was writing a letter' is-
A
A letter was writing by Sheila
B
A letter was being writing by Sheila
C
A letter was being written by Sheila
D
A letter was been written by Sheila
Correct Answer: A letter was being written by Sheila
Active Sen: কে Passive করার নিয়ম Subject (object) + helping verb + being + verb (p.p form) + by + object (subject)