This document provides information about and examples of using the present perfect tense in English. It covers:
- The formula for forming the present perfect tense
- Examples of affirmative, interrogative, and negative sentences
- Commonly used contractions in the present perfect tense
- Uses of the present perfect tense including recent events, personal experiences, actions that started in the past and continue to the present
- Time expressions used with the present perfect tense such as already, ever, never, yet, since, for, just
- Questions to check understanding of when to use the simple past versus present perfect tense