how can we use present perfect ?

1. Present perfect
( past participles)

2. When do we use it ?
We use it to talk about events that we have
done so far and we have no specific time
I have been to USA several times

3. I have been to London.
I was in London in 1988.

4. Juan has been to London.
he was in London in 1988.

7. HOW DO WE FORM ?
Have /has + past participle

8. It is the form of a verb, typically ending in -
ed in English, which is used in forming perfect
And what is a past participle ?
want wanted
walk walked
go gone
be been

9. Irregular past participle
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10. He has slept very good.

11. She hasn’t slept very good.

12. Has He slept very good?

13. I have eaten suri

14. I haven’t eaten suri

15. NEVER
 We use NEVER in sentences with the present
perfect to say that you have not had a
particular experience at any time in the past.
Example
We have NEVER travelled to Australia.

16. EVER
 We use EVER in questions with the present perfect to
find out if something has happened at any time in the
past.
Have you ever seen the sky tower ?
No , I´ve never been to New Zealand

17. Have you eaten suri ?
Have you EVER eaten suri ?

18. Have you EVER eaten suri ?
NO, I have NEVER eaten suri
NO, I haven’t

19. Let´s do present perfect
sentences

20. george / break / four times / his legs
george four times
broken his legs
has

21. Never / I / fly/ plane /a
I never
have flown a plane

22. Brother/your /snails /ever/eat /?
brother
your
has eaten
ever snails ?

23. This month / not play / our friends / volleyball
Our friends haven´t
This month.
volleyball
played

24. Write / he / till now / three books
written
he has three books till now

25. Competitons
Two students

26. BASE FORM PAST PARTICIPLE BASE FORM PAST PARTICIPLE

27. BASE FORM PAST PARTICIPLE
build
begin
bring
feel
fly
forgive
go
know
keep
BASE FORM PAST PARTICIPLE
bring
can
cost
find
dream
get
have
learn
hear

28. BASE FORM PAST PARTICIPLE
do
buy
beat
eat
draw
drive
grow
BASE FORM PAST PARTICIPLE
come
catch
hit
hold
lead
choose
blow