Summary of tenses

1. Present simple

2. Present continuous

3. Past simple

4. Future simple

5. Future with going to

6. Past continuous

7. Present perfect simple

8. Present perfect continuous

9. Past perfect simple

10. Past perfect continuous

11. Future continuous

12. Future perfect simple

13. Future perfect continuous

Rules

Continuous forms use to be + present participle

Future forms use will or going to (+ verb)

Perfect forms use have/has or had + past participle