When should I use present perfect?

Related questions

1. What is past progressive tense with examples?
2. What is progressive example?
3. When can I use present perfect?
4. Where do we use ago before and?
5. What is a progressive verb example?
6. Can we use ago with present perfect?
7. What are Progressive perfect verbs?
8. Which helping verb is used in future perfect tense?
9. What's the difference between present simple and present perfect?
10. What is the past perfect progressive?

Tags

1. #exact
2. #homework
3. #tense
4. #present
5. #makes
6. #describe
7. #happened
8. #relationship
9. #something
10. #participle
11. #finished
12. #important
13. #perfect