The tenses of a sentence refer to the time when the action or event took place or will take place. There are three main tenses in English grammar: past, present, and future. Each of these tenses has four forms: simple, progressive, perfect, and perfect progressive. Here are some examples:
1. Simple Present Tense - describes actions that are happening right now, or that regularly happen:
2. Present Progressive Tense - describes actions that are happening right now:
3. Simple Past Tense - describes actions that have already happened:
4. Past Progressive Tense - describes actions that were happening in the past for a period of time:
5. Present Perfect Tense - describes actions that started in the past and continue until the present:
6. Present Perfect Progressive Tense - describes actions that started in the past and continue until the present, but also emphasizes the duration of the action:
7. Past Perfect Tense - describes actions that were completed before a specific time in the past:
8. Past Perfect Progressive Tense - describes actions that were in progress before a specific time in the past:
9. Future Simple Tense - describes actions that will happen in the future:
10. Future Progressive Tense - describes actions that will be in progress at a specific time in the future: