1. The document provides examples of common English expressions used in conversation. It discusses expressions used to transition between topics, share opinions, and modify or clarify information.
2. Examples are given for expressions like "as I was saying," "speaking of," "if you ask me," and "that reminds me." Modifying expressions include "if worst comes to worst" and "when it comes to."
3. General expressions and their meanings are also explained, such as "never mind," "to pass away," "been there, done that," and "no wonder."