Used to express amusement or subtle surprise.
Used to express doubt or confusion.
Used to create a tag question.
Used to indicate that one did not hear what was said.
Used to reinforce a question.
Used either to belittle the issuer of a statement/question, or sarcastically to indicate utter agreement, and that the statement being responded to is an extreme understatement. The intonation is changed to distinguish between the two meanings - implied dullness for belittlement, and feigned surprise for utter agreement.
Used to express surprise, shock or amazement.
Belonging to me.
Associated with me.
Related to me.
In the possession of me.