This document provides a detailed overview of English verb tenses, including:
- 12 tenses (simple present, present progressive, simple past, etc.)
- Signal words that indicate each tense (e.g. now, yesterday for simple past)
- The verb forms used for affirmative, negative and interrogative examples in each tense (e.g. present progressive uses am/is/are + verb+ing)
- Common uses of each tense, such as describing repeated or habitual actions (simple present) vs. ongoing actions (present progressive).