This way you are sure to get a chance to contribute to the conversation. If the thought of socializing with just one individual makes you uncomfortable, then I suggest practicing conversing online. Chats are very convenient ways to communicate with others. When you're comfortable with talking to one person, move on to larger groups. Tag along with a couple friends to a party.
Parties are great places for meeting new people and socializing.
Don't over-examine what you're saying. If you monitor every little thing you say, then chances are you will miss your opportunity to say what you wanted to say in the first place. There are tons of self-help methods out there for overcoming shyness. You will find that shyness is often equated with lack of social skills. I suggest you check out Mental Health Net's listing of self-esteem and shyness resources .