What are the different tenses that can be used in active voice?

In active voice, there are twelve different tenses that can be used. These tenses include:

1. Simple Present Tense: It is used to describe actions that happen regularly or facts.
Example: She writes a letter every day.

2. Present Continuous Tense: It is used to describe actions that are happening at the moment of speaking.
Example: They are playing football right now.

3. Present Perfect Tense: It is used to describe actions that happened in the past but have a connection to the present.
Example: He has already finished his homework.

4. Present Perfect Continuous Tense: It is used to describe actions that started in the past, continue in the present, and may continue in the future.
Example: She has been studying for three hours.

5. Simple Past Tense: It is used to describe actions that happened and were completed in the past.
Example: They visited their grandparents last weekend.

6. Past Continuous Tense: It is used to describe actions that were happening in the past at a specific time or for a specific duration.
Example: I was reading a book when she called.

7. Past Perfect Tense: It is used to describe actions that happened before another action in the past.
Example: He had already left when I arrived.

8. Past Perfect Continuous Tense: It is used to describe actions that started in the past, continued for a specific duration, and were still ongoing before another action in the past.
Example: They had been waiting for two hours before the concert started.

9. Simple Future Tense: It is used to describe actions that will happen in the future.
Example: We will go to the beach tomorrow.

10. Future Continuous Tense: It is used to describe actions that will be happening at a specific time or for a specific duration in the future.
Example: They will be traveling to Europe next month.

11. Future Perfect Tense: It is used to describe actions that will be completed before a specific time or another action in the future.
Example: She will have finished her project by Friday.

12. Future Perfect Continuous Tense: It is used to describe actions that will have been ongoing for a specific duration before a specific time or another action in the future.
Example: By the time they arrive, I will have been waiting for two hours.

These are the different tenses that can be used in active voice to express various actions and events in different time frames.