Searle's Classification
"John Searle expanded on Austin's theory, defining illocutionary acts by their communicative purpose and how they relate to reality."
Commit the speaker to the truth of the expressed proposition.
Attempt to get the hearer to do something.
Commit the speaker to some future course of action.
Express the psychological state of the speaker.
Bring about a change in reality by the act of utterance.
References:
TheCollector.com - J.L. Austin and John Searle on Speech Act Theory
communicationtheory.org - SPEECH ACT THEORY