There isn't an in game chat.
No, you cannot chat on Adventure Quest Worlds after your membership expires.
You have to do the chat quest. But thats only how to unlock chat im not sure how you actiouly chat
You use canned chat by, clicking on the chat picture on the bottom left.
Texaco
chat and battle monsters
the chat bubble
Because it doesnt like you!
No they have Chat Enabled servers, they used to have none, then 1, now 2.
On your keyboard press "C" for chat.
Member chat is the same-thing as regular chat,(assuming your 13) but it isn't moderated so you can cuss and say anything.
Type /s and push enter.