It's hard to tell with shy people sometimes. They will blush when you look at them, possibly, or have trouble talking to you. When somebody likes you, however, they like to be around you and find excuses to hang around. Try doing something you know she likes and asking her along with some other friends to come along.
ask her who she likes
Just ask, seeing as you've got nothing to lose.
Get to know her.
this is simple get to know this girl
If a guy look at the girl twice then it means she likes the girl
A sentence using the word "introvert" is about a shy person 1. [used as a simile]: * The normally loud girl acted like an introvert during class discussions. 2. [used as a metaphor]: * The normally loud girl is an introvert during class discussions.
That means he girl likes you and answer that question by telling the girl something she likes to do. If you don't know what the girl likes to do then you're a goner
if she talks to you and touches you on the leg or something like that. then that means she likes you.
I gess the same way you can tell if a normal girl likes you.
Ask her.
If no on likes you
ask her out