What's the difference between present simple and present perfect?

Related questions

1. What is progressive example?
2. What is perfect progressive aspect?
3. What is the structure of present indefinite tense?
4. What is past progressive tense with examples?
5. How do you use present perfect?
6. What are the 3 progressive tenses?
7. When should I use present perfect?
8. What does the present perfect tense express?
9. What is the rule of present indefinite tense?
10. When should we use present perfect tense?

Tags

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