"Do you know him"বাক্যটির সঠিক পরিবর্তিত Voice হবে-
Is he known by you?
Is he known to you?
Is he knew by you?
Was he known by you?
"Man cannot live alone". The word alone is used here as-
pronoun
Preposition
Adjective
Adverb
To read between the lines এর অর্থ হচ্ছে -