1. present perfect
Poy Mameaw Mean mui

2. Meaning
• The present perfect is a grammatical
combination of the present tense and the
perfect aspect, used to express a past event
that has present consequences

3. FORM
• [has/have + past participle]

4. Use
• For something that started in the past and
continues in the present:
They’ve been married for nearly fifty years.
• For something we have done several times in
the past and continue to do:
I’ve been watching that programme every
week.

5. • When we are talking about our experience up
to the present:
Have you ever met George?
• For something that happened in the past but
is important at the time of speaking:
I can’t get in the house. I’ve lost my keys.

6. By : Mameaw

7. Present Perfect Simple
• means action that still going on or stopped recently but
has influence in the present.
• Positive :
Subject + have , has + Verb 3
Ex: I have seen that movie two times.

8. Present Perfect Simple
• Negative :
Subject + have , has + not + Verb 3
Ex: He has not spoken.
• Question :
Have, Has + Subject + Verb 3?
Ex: Has he answered your massage?

9. PRESENT PERFECT CONTINUOUS
• means action that happen in the past and continue to the
present and the future.
• Positive :
Subject + has/have + been + V.-ing
Ex: I have been speaking.

10. PRESENT PERFECT CONTINUOUS
• Negative :
Subject + has/have + not + been + V.-ing
Ex: She has not been watching the television.
• Question :
Has/Have + Subject + been + V.-ing?
Ex: Have you been working?

11. Passive/Active Voice

12. Meaning
Passive voice is used when the focus is on the
action. It is not important or not know. However
who or what is performing the action.

13. -Structure:
Subject + Verb to be + Verb3 + by + Object
-Example;
1. The book was written by me.
2. I was punished by the teacher.

14. Active voice

15. Meaning
Active voice describes a sentence where the
subject performs the action stated by the verb.
In passive voice sentences, the subject is acted
upon by the verb.

16. -Structure:
Subject + Verb + Object + adj./adv.
-Example;
1. Sara read novel in one day.
2. I will clean the house every Sunday.

17. just already yet
just already yet use in Present perfect

18. • Yet
-Meaning at any time up to now/ until now
-Use with Question,Negative Answer
Ex:
Has he come back yet? (Question)
No,he has not come back yet. (Negative Ans)
Note: In questions, yet is at the end of the
question.

19. • Just
-a short time ago
have/has + just + V3
Ex:
They've just left.
(They left only a short time ago.)
They've just finished.
(They finished only a short time ago.)

20. • Already
-before you / I expected
- usually comes in mid-position.
have / has + already + V3
Ex:
I’ve already finished my homework.
They've already arrived.

21. Time Expressions
• are used to indicate the time at or which an action took place
•FOR (duration) Ex: I've been here for two hours.
•SINCE (point of time) Ex: I've been study at Satrinonthaburi
school since 2011
•HOW LONG...?(to ask about the duration) Ex: How long have
you been in Thailand?

22. Thank you