Als je "he" zouden gebruiken, gebruik je "who." Als je "him" zouden gebruiken, gebruik je "whom." He/who; him/whom. Ook They/who; them/whom.
To he? wrong.
To him? correct. Dus ...
Who/whom is my friend?
He is my friend. correct.
Him is my friend. wrong. Dus ...
Who is my friend?
I like the person who/whom sings to me.
He sings to me? correct.
Him sings to me? wrong. Dus ...
I like the person who sings to me.
He is the one who/whom I love.
I love he? wrong.
I love him? correct. Dus ...
He is the one whom I love.