How do you use present perfect?

Related questions

1. Where do we use ago before and?
2. What is perfect progressive aspect?
3. What is past progressive tense with examples?
4. Can we use ago with present perfect?
5. When Use present perfect progressive?
6. What is the structure of present indefinite tense?
7. What is a progressive perfect verb?
8. What is the past perfect progressive?
9. When should I use present perfect?
10. What is progressive example?

Tags

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