"Who planted this tree here?" The correct passive voice of this sentence is-
By whom was this tree planted here?
The tree was planted here by whom?
The tree was planted here by whom?
By whom had the the tree been planted here?
সঠিক উত্তর:
By whom was this tree planted here?
ব্যাখ্যা ও নোট:
Past indefinite এ who এর পরিবর্তে By whom এবং aux. verb হিসেবে was/were আসে।