This document discusses speech act theory and politeness in speech acts. It begins with an introduction to speech acts and J.L. Austin's speech act theory. Direct and indirect speech acts are explained, along with how to categorize different types of speech acts such as representatives, directives, commissives, etc. Felicity conditions for speech acts are presented. The concept of politeness and how it relates to maintaining face is discussed. Indirect speech acts are explained as a way to be polite. Sentence types and identifying them is also covered. In the end, references used in the document are listed.