This document outlines different types of speeches for special occasions including an introduction speech, presentation speech, acceptance speech, welcoming speech, tribute speech, commencement address, and keynote speech. An introduction speech introduces another speaker, a presentation speech presents an award or gift, an acceptance speech thanks the presenter, a welcoming speech expresses pleasure at others' presence, a tribute speech praises an individual's accomplishments, a commencement address is given on graduation day, and a keynote speech outlines a conference's objectives and proceedings.