Im going out tuesday. need to no simpest way of snogging i feel like i will mess up . HELP MEEE X?

im going out on tueday . and all my friends are taking there boyfriends . so its just me and this other girl with no boy friend. so ou friends are brining some boys for us. what if they try to kiss me. i need to no how to snog just incase PLEASEE HELP MEive been wrorying for months but im the only one in my cl that hasnt kissed a boy . :S