`Who planted this tree here`? The correct passive voice of this sentence is–
By whom the tree was planted here?
Correct
Who the tree had been planted hereby?
The tree was planted here by whom
By whom had the tree been planted here?
Explanation:
Correct Answer is: By whom the tree was planted here?
Who দিয়ে interrogative sentence শুরু হলে passive করার ক্ষেত্রে বাক্যের শুরুতে by whom বসে। মূল passive form টি হবে: By whom was this tree planted here? format হবে-By whom + auxiliary verb + subject+v এর past participle +বাকি অংশ (যদি থাকে)।