Is ago an adverb of time?

Related questions

1. What is simple and progressive aspect?
2. How do you use present perfect?
3. What's the difference between present simple and present perfect?
4. When can I use present perfect?
5. What is the rule of present indefinite tense?
6. What is perfect progressive aspect?
7. When Use present perfect progressive?
8. What is a progressive verb example?
9. What is progressive example?
10. What does present perfect progressive mean?

Tags

1. #point
2. #period
3. #adverb
4. #expressions
5. #completed
6. #happened
7. #follows
8. #refers