are happy angry or surprised It changes the mood of the sentence People understand emotions by listening to intonation Example Really said with high tone surprise Accentual Function Intonation tells us which words are important It puts stress on the key parts of a sentence This guides the listener s attention to the main ideas Example I want tea means not coffee I want tea means not someone else I want tea means really want it Discourse Function Intonation organizes the flow of speaking It shows when we start a new idea It shows if a thought is finished or will continue Example First we went to the market voice rises slightly meaning more is coming That s all voice falls meaning the idea is finished In short Intonation is the tune of our voice Intonation gives our words more meaning It shows grammar feelings stress and structure It makes spoken language clear and easy to follow