You don't, you hang around and show him that you like him but never ask him of he likes you. If he does like you, it become obvious over time because you will become close, smile at each other and enjoy each others company- then you will know.
ask them. or get someone you know to ask them
no, ask yourself!
Ask someone to ask him about you.
Ask the girl that she likes you or your friend
Ask them or failing that waterboarding
Ask her.
he likes you
If someone likes you and he or she is shy, first find out if that person really likes you. If that person likes you then try to ask that person out. I'm sure it will be fine.
get with another lad to try and make your crush jealous if it doesn't work then he likes someone else or get a friend to ask him if he likes someone and if he does tell your friend to ask him who he likes. if he doesn't like you then move on you can find somebody better then him, somebody that actually loves you.
ASK HER, OR GET SOMEONE TO ASK HER FOR YOU
Just ask her you never no what she will say
Send a friend to ask him