Present perfect tense

Present perfect tense is used:
A. For an action which was recently completed.

B. For those actions that started in the past and continue in the present.

C. For an action that is between past(Simple past) and present(present continuous).

D. When the time is unfinished. When the time is not specified or not important.

Structure: S+has/have+V3+O

Helping verbs:
Has:
for 3rd person singular (he/she/it)
Have:
for other persons and 3rd person plural.

Examples:
1. They have been married for 5 years.
2. She has helped me many times.
3. Shivaji has read many books.
4. He has just completed his work.
5. I have been to Mumbai many times.
6. Aishwarya has lived in Hyderabad.
7. You have played football for 10 years.
8. Have you been there?
9. Has she completed her exercise?
10. Haven't they worried?

11. I have taught English.
12. I haven't taught English.
13. Have I taught English?
14. Haven't I taught English?

15. You have chosen me.
16. You have not chosen me.
17. Have you chosen me?
18. Haven't you chosen me?

19. He has come.
20. He hasn't come.
21. Has he come?
22. Hasn't he come?

23. Srujan has just arrived at the airport.
24. They have been to temple many times.
25. Have you read it just now?
26. Haven't they requested me just now?
27. Have I just scolded him?
28. Have you lost your mind?
29. Have I lost my mind?
30. Have I behaved differently now?
31. What has happened to her?
32. Why has she just done it?
33. Something has happened to her.
34. So, she has done that.
35. I have behaved differently.
36. You have lost your mind.
37. I have lost my mind.
38. He has become stupid.

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