1. The document provides examples of using present perfect tense to talk about experiences over time periods, including owning a laptop, liking mystery novels, belonging to a judo club, knowing a best friend, being class president, and having a smartphone. 2. It gives the present perfect form of various verbs like own, like, belong, know, be, and have. 3. At the end are examples asking "How long have you..." followed by the present perfect response "I've...since/for...". This reinforces using the present perfect tense to discuss durations of past experiences or states that are still ongoing.

1. 1.Experiences

2. own a laptop
He owns a laptop.
present

3. own a laptop
He owned a laptop.
past

4. own a laptop
He has owned a laptop.
present
perfect

5. own a laptop
He’s owned a laptop.
present
perfect

6. own a laptop
He’s owned a laptop.
own
owned
has owned

7. own a laptop
He’s owned a laptop.
September
since September.

8. like mystery
novels
She likes mystery novels.
present

9. like mystery
novels
She liked mystery novels.
past

10. like mystery
novels
She’s liked mystery novels.
present
perfect

11. like mystery
novels
She’s liked mystery novels.
like
liked
has liked

12. like mystery
novels
two years
for two years.
She’s liked mystery novels.

13. for or since
presentpast
20172009
since 2009
for 8 years

14. for or since
presentpast
SundayWednesday
since Thursday
for 4 days

15. for or since
presentpast
DecemberApril
since March
for 8 months

16. He’s belonged to the judo club
since 2009.
belong to the
judo club
2009

17. know your
best friend
She’s known her best friend for ten
months.
ten months

18. be class
president
She’s been class president since last
month.
last month

19. She’s had a smartphone for one
week.
have a
smartphone
one week

20. I’ve owned a laptop since May.
How long have you owned a laptop?
May

21. I’ve liked mystery novels for six months.
How long have you liked mystery novels?
May 6 months

22. I’ve belonged to the judo club for eight weeks.
How long have you belonged to the judo club?
6 months 8 weeks

23. I’ve known my best friend since January.
How long have you known your best friend?
8 weeks January

24. I’ve been class president since 2010.
How long have you been class president?
January 2010

25. I’ve had a smartphone for three years.
How long have you had a smartphone?
2010 3 years

26. 6 months
like
8 weeks
belong
January
know
2010
be
May
own
3 years
own
How long have you…?
I’ve… since / for…