What is present perfect and simple past?

Related questions

1. What are simple present tense?
2. What is the form of present perfect simple?
3. How do you change Simple Past to Present Perfect?
4. What is the structure of simple present tense?
5. How do we use past simple?
6. What are simple tenses?
7. What is present perfect tense for kids?
8. Why do we use present perfect tense?
9. Why do we use present perfect?
10. What is the difference between the present perfect and past perfect?

Tags

1. #simple
2. #actions
3. #which
4. #events
5. #still
6. #connection
7. #started
8. #perfect
9. #finished
10. #happening
11. #present