1. Present Perfect Tense
Functions:
To express activity or events in the past with
unspecific time ( the effect is still until now)
Exp: I have gone to Bali
For repeated action in the past
Exp: I have studied English for 14 years
To express activity or events in the past AND CONTINUE UNTIL NOW
Example: I have studied here since last year
2. FORM
S – HAVE/HAS – V3
SHALLY HAS GONE TO JAPAN
THE BOYS HAVE DONE THEIR HOMEWORK
4. Since and For
We use Since and For to say how long
something has been happening?
Since : Beginning time
For : Period of time
Ex:
Erica has lived in this city since 1989.
I have known Jack for ten years.
5. Verbal sentence
1) She has worked in Caltex for 5 years
2) She hasn’t worked in Caltex for 5 years
3) Has she worked in Caltex for 5 years? (yes-no Q)
4) How long has she worked in Caltex?
For 5 years (imformation Q)
5) Where has she worked for 5 years? (information Q)
Nominal Sentence :
1) I have been a teacher since 6 years ago
2) She has been so sad a bout the news
3) We have been to Rome for several times
4) Has she been to Rome? (yes-no Q)
5) How long have you been a teacher? (Information Q)
6. We often use ever and never with
present perfect
Ex:
• He has never driven a car before.
• Have you ever driven a car before?
