Well, depending on the person, they may do some of the following.
-stare at you until you catch them, then continue staring when they think you've stopped looking at them.
-constantly bump into you or do something to give them an excuse to touch or be close to you. They may complement on something like a necklace, then go to feel it.
-ask you for things they may or may not need constantly, and not ask any one else.
-tease you.
-they may be a little territorial over you, or overprotective.
-they seem to talk/joke/mess with you more than anyone else.
If they flirted with you, or even if they liked talking with you about anything. They could just be checking you out over and over, and if you ever caught them doing that, that should be a big clue. They don't have to check you out and then speak, because sometimes not speaking means that you make them nervous, which is a definite green signal for go, if I ever heard of one. If a guy looks at you all the time, talks about you (good things) to other people, likes talking to you, tries to show off in front of you, and comes close to you, that's a total clue that he likes you.
Just be good friends (Girlfriend-boyfrind if you want) It is that simple. if he/she likes you but he/she doesn't know you like him/her. Just tell him/her.
like the person back. love back. love always. say "me like" and point to that person
To know someone that likes to like them back if they'er cute.
Wear our cutest outfit and flirt with him.
then there is no use in liking him like someone who likes you
ill tell you what you dont do show off you should just be yourself and hope that the guy likes you back!!!! sincerely someone who cares
ask her if she likes you
Ask him to go out with you
You know he likes you back when he sticks his wanger in your hiney.
Tell him
you hook up the girl that he likes with the boy that she likes or you an just kill her if she likes him back BY DARK SOUL
You should find someone who likes you for you and if they don't then they are not good enough for you.