What is the difference between simple present and present perfect?

Related questions

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

Tags

1. #action
2. #finished
3. #movie
4. #tense
5. #using
6. #perfect
7. #present
8. #participle
9. #followed
10. #sentence
11. #refer
12. #simple