Upload
van-nguyen
View
110
Download
0
Embed Size (px)
Citation preview
PRESENT PERFECT And
PRESENT PERFECT CONTINUOUS TENSE
PRESENT PERFECTTense
FORM
Affirmative: Subject + Have / Has + Past Participle Negative
USAGE:
To talk about an action which started in the past and
continuous up to now.
I have been a teacher
for more than ten years.
We haven't seen
Janine since Friday.
How long have you
been at this school?
USAGE:
To talk about experiences. It is important if we have done
it in our lives or not. It is not important when we did it.
I have been abroad two times..
Example:
Have you ever eaten sushi?
John has never broken a leg
USAGE:
To talk about a past action that has the result in the present.
Jimmy has gone to South America. = He isn't here now.
Have you finished your homework? = Is your homework
ready?
Example:
Tip! => often use just, already and yet
I have lost my wallet. = I don't have it now.
PRESENT PERFECT
NUOUSCONTITense
FORMAffirmative: Subject + Have / Has + Been + V-ing
Negative: Subject + Haven't / Hasn't + Been + V-ing
Question: Have / Has + Subject + Been + V-ing
USAGE:
Actions that started in the past and are still happening now
( We began waiting 20 minutes ago and we are
still waiting now )
USAGE:
. Actions have just finished but have results in present
Example:
It has been raining ( the streets are still wet)
Someone has been eating my chips (= half of them have gone).