This document discusses the functions and uses of intonation in English. It identifies four main functions: 1) the attitudinal function, where intonation conveys feelings and attitudes; 2) the accentual function, where stress is placed on important words; 3) the grammatical function, where intonation clarifies ambiguous sentences; and 4) the discourse function, where intonation focuses listener attention. It also describes the uses of falling, rising, and falling-rising tones to indicate definiteness, uncertainty, and contrast respectively. Examples are provided to illustrate how intonation conveys meaning.