1. PRESENT PERFECT  

2. PRESENT PERFECT UNSPECIFIED TIME BEFORE NOW
So far
This year (the whole year)
DURATION FROM PAST UNTIL NOW
Since I was a child
Since yesterday

3. PRESENT PERFECT NEVER INCLUDE A SPECIFIC DATE When I was a child
Two years ago
Yesterday
Last year

4. AFFIRMATIVE
Subject + (have/has) + Past Participle

5. Auxiliary To Have He
She has It

6. I
We have
You
They

7. NEGATIVE
Subject + (have/has) + not + Past
Participle

8. He has not
She hasn’t
It ‘s not

9. I
We have not
You haven’t
They ‘ve not

10. EXPERIENCE
Description of an experience. It’s like saying “I have the experience of…”. E.g.: I have been in France three times. I have never been in France. I haven’t been in France

11. CHANGES OVER TIME
To talk about a change that has happened over a period of time. E.g.: She has grown since the last time I saw her. You have improved your English since last year. Charlie hasn’t become a better athlete since last season.

12. ACCOMPLISHMENTS
To list accomplishments of people and things. E.g.: My son has learned how to read. Doctors’ve cured the patient. I have won the competition.

13. UNCOMPLETED EXPECTING ACTIONS
To say that an action which is expected has not happened. E.g.: James has not finished his book. Doctors haven’t cured cancer yet. I’ve not arrived to my house.

14. MULTIPLE ACTIONS AT DIFFERENT TIMES
To talk about several different actions which occurred in the past at different times. It suggests the process is not complete & more actions are possible. E.g.: USA has invaded Iraq two times. We have had 4 quizzes this month. He’s asked for the results 3 times.

15. INTERROGATION
(Have/Has) + subject + Past Participle ?

16. ANSWER Have they finished the test? Has Patrick been in California?
Yes, they have. They have finished the test.
Has Patrick been in California?
No, he hasn't. [OPTIONAL]

17. Have you done all the paperwork?
Have I won my prize?
Yes, you have. You have won your prize.
Have you done all the paperwork?
No, I haven’t. [OPTIONAL]