Make sure you know her. Make friends with her first, so she's comfertable around you.
Flirt with her a lot then when you see the time is right you just have to get past your fear and tell her.
Tell her you like her...you never know maybe she likes you too. =)
all the usual signs:StaringtalkingcomplementsEct.
Ask her.
ask her .
You come clean and tell the girl you like's brother that it wasn't true unless she told you she likes you.
Write him a not and give it to him. Make sure he smiles at you when he looks at you first.
you can tell if a girl likes you if she is realy nice to you
ask her
she looks at you
She already said she likes you.
She either just doesn't want to tell you who she likes, (I'm a girl and I would never tell a guy who I like!) or she likes you! Hope I helped ;) x
I gess the same way you can tell if a normal girl likes you.