This document discusses ways to express agreeing and disagreeing in conversations. It provides examples of phrases to state an opinion, ask for another's opinion, express agreement, and express disagreement. For stating an opinion, phrases include "in my opinion" and "if you want my honest opinion." For asking for an opinion, examples are "what do you think?" and "do you agree?" Phrases for agreement are "I couldn't agree more" and "that's true." Phrases for disagreement include "I don't agree" and "I beg to differ."