1. THE PRESENT PERFECT TENSEI
You We
They He
She It
have
haven‘t
lived
been
gone
has
hasn‘t
lived
been
gone

2. The exact time is not important.
Rule 1:
If we are talking about an event which happened in the past and if we don’t give an exact time (yesterday/two days ago/last week), we can use ‘The Present Perfect Tense’.
The exact time is not important.

3. I have bought a new house. I have made some changes
I have bought a new house. I have made some changes I have painted the walls blue. I have changed the curtains I have removed the carpet on the stairs…
yesterday / last week / two days ago

4. Rule 2:
We often use ‘The Present Perfect Tense’ to talk about a continuing situation. This is a state that started in the past and continues in the present and will probably continue into the future. This is a state (it is not an action). We usually use "for" or "since" with this structure.

5. David has been at the sea since July.
Present
Sam became a shoemaker in 1970.
He is still working.
He has been a shoemaker since 1970.
He hasn’t seen his family for 5 months.

6. Rule 3:
We use it for an action which happened in the near past And, it has strong connections or effects to the present.

7. I have broken my arm. It still hurts.
You walked in the rain yesterday. And look; You have got a cold You look very bad.
I have broken my arm.
It still hurts.

8. then we can use ‘The Present Perfect Tense’.
Rule 4:
If we are talking about a period (today/this morning/this week/this month/this year/this century) which hasn’t finished,
then we can use ‘The Present Perfect Tense’.

9. Cinema! Are they kidding? I haven’t watched tv this month!
No, thank you! I have been to the cinema twice this week.
Would you like to go to the cinema?

10. So, we can use ‘The Present Perfect Tense’.
Rule 5:
Lately/Recently: These words give us information about the events happened in the near past. They don’t give a specific time in the past.
So, we can use ‘The Present Perfect Tense’.

11. any good ​films recently? Unfortunately! I have been very busy lately.
….There has been a great progress against cancer recently. Especially, Turkish scientist Aziz Sancar, who won the Nobel chemistry prize, has found….
Have you ​seen
any good ​films recently?
Unfortunately! I have been very busy lately.

12. Rule 6: Already/Just/Yet: We also use these words in this tense
‘The Present Perfect Tense’

13. I have already sent them.
Of course Boss!
I have already sent them.
Have you ​sent the s yet?
It is clean now.
She has just cleaned.
The room is dirty now.
The washing machine is still working. It hasn’t finished yet.

14. I have been here for centuries!
This is Atilla. He lives in Turkey. But he is not in Turkey now.
He has gone to Egypt.
He has been in Egypt for a week.
I have been here for centuries!

15. We have learnt ‘The Present Perfect Tense’.
Now that
We have learnt ‘The Present Perfect Tense’.
You can watch this as a video with dubbed version on my youtube channel as well. Follow the link below.