Unit 14. International organizations

wellcome to our class!!
Class: 12A
Unit 14:
In my life
Period 1: The Present Perfect Tense
In my life
THE AIMS
After this lesson, Student will be able to:
1. Master the form and the uses of the present perfect tense.
2. Make sentences using the present perfect tense.
3. Make short conversations in which the present perfect tense is used.
1. Form
" Have " + Past Participle
Past participle
Regular verb.
Irregular verb.
Present tense

(Have / has)
Regular verbs
Past Participle = V- ed
visited
visit
lived
live
played
play
studied
study
stopped
stop

Irregular verbs
Look at page 127.
Base form
Past simple
Past participle
Form
Positive
I / We / You / They
+ have
+ V(pp) + …
He / She / It
+ has
Eg: + I have done it.
+ They have cooked.
+ My sister has seen it.
Form
Negative
I / We / You / They
He / She / It
+ have not
+ V(pp) + …
+ has not
Eg: + They haven’t eaten lunch.
+ My sister hasn’t seen it.
haven’t
hasn’t
Have
+ S
Has
+ V(pp) + …?
* Yes / No question
Short answer:
Form
- Yes, S + have / has
- No, S + haven`t / hasn`t

* "Wh..." question
"Wh..." +
have
+ S
has
+ V(pp) + …?
Form
What has she eaten?
Eg:
Refers to finished actions with indefinite time.
Adverbs:
- already: rồi.
- not …yet : chưa
ever: có bao giờ
never : chưa bao giờ
2. USES

2. USES
Expresses happened actions having results in the present.
Adverb:
- Just : vừa mới
Eg:
They have just had lunch.
Our lesson has just started.

2. USES
Refers to actions beginning in the past, last to the present and can continue in the future.
Adverbs:
- Since + point of time/ clause : kÓ tõ...
- For + period of time : ®­îc...

The present perfect differs
from the past simple
I have already seen
that film.
indefinite time
I saw that film
last year.
definite time
The present perfect differs
from the past simple
1
Present perfect refers:
- Actions happening with indefinite time.
Past simple refers:
- Finished actions with definite time.
I have lived in Ha Noi since 1992.
I lived in Ha Noi in 1992.
The present perfect differs
from the past simple
2
The Present perfect tense refers:
- Happened actions with connections in the present.
The Past simple tense refers:
- Finished actions completely without connections in the present.
THE AIMS
After this lesson, Student will be able to:
1. Master the form and the uses of the present perfect tense.
2. Make sentences using the present perfect tense.
3. Make short conversations in which the present perfect tense is used.
Thank you for your listening
Have you had breakfast?
Yes, I have
No, I haven’t

- She has already done her homework.
- Mai hasn’t washed her car yet.
- Have you ever seen snow?
- We have never seen snow.

It has rained for 2 hours.
She has sat here since 6:00

You are dirty.
I have just washed my car.

Thank you for your listening