1. Introduction p.1. -- 2. A set of postulates p.19. -- 3. Formalism and functionalism p.46. -- 4. The interpersonal role of the cooperative pinciple p.79. -- 5. The tact maxim p.104. -- 6. A survey of the interpersonal rhetoric p.131. -- 7. Communicative grammar: an example p.152. -- 8. Performatives p.174. -- 9. Speech-act verbs in emglish p.198. -- 10. Retrospect and prospect p.229.