Just ask or get a close friend to do it. Some of the ways you can tell if someone likes you are: staring then looking away when you catch them looking,blushing when you speak to them,always seems to be in the same place or group of friends,by telling you how pretty or cute you are and so on They flertttttt!!!
Have someone else do it for you.
If u find a change in someone's behaviour
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.
find someone else to like
Beat them to it!
Send a friend to ask him
if he flirts with u or somethinq
Punt. Someone is a bit perverted here. Find new friends.
Let the person decide who he or she likes. If you find out that they like your friend, just find another person.
find someone who likes dogs and cares 4 them
find someone who likes to win, and is good with words
You should find someone who likes you for you and if they don't then they are not good enough for you.