Boys like to play chess.
Do boys like to play chess?
What does boys like to play?
Boys like to play chess, don't they?
Do boys like to play chess or play with dolls? (написала еще разделительный вопрос, его нет в списке, но на всякий случай... )
Don't boys like to play chess?
My friend likes to play chess.
Does my friend like to play chess?
What does my friend like to play?
Does my friend or my brother like to play chess?
My friend likes to play chess, doesn't he? /doesn't she? (разделительный вопрос)
Doesn't my friend like to play chess?