This document provides an introduction to Unit 2 which focuses on using the present perfect tense to talk about experiences. It includes:
- The structure of affirmative and negative present perfect statements using regular and irregular verbs.
- How to ask and answer questions using the present perfect and simple past tenses.
- Examples of common questions using the present perfect like "Have you ever..." to show interest in conversations.
- A vocabulary section with examples of good and bad experiences to discuss.