Unit 8 / Present perfect progressive versus Present perfect simple
..
Present Perfect Progressive ..
How do we form the Present Perfect Progressive?
We form the Present Perfect Progressive with have, been and
the verb with the ending -ing.
have/has + been + infinitive + -ing
has → 3rd person singular (he, she, it)
have → all other forms
Action:
1- ACTIONS THAT STARTED IN THE PAST AND CONTINUE IN THE
PRESENT.
2- ACTIONS THAT HAVE JUST FINISHED, BUT WE ARE INTERESTED IN
THE RESULTS IN THE PRESENT.
Time Expressions:
For, Since, How long, All day, All month, All
week, etc.
Present Perfect Simple ... (S + Have oR Has + V3)
|
Questions
|
Negative
|
Affirmative
|
|
Have I lived in
Madina ?
|
I haven’t
lived in Madina .
|
I have
lived in Madina .
|
|
Has he worked in
US ?
|
He hasn’t worked
in US ,
|
He has worked in
US ,
|
|
Have we eaten
food ?
|
We haven’t eaten
food .
|
We have eaten
food .
|
Time expression of Present Perfect Simple
|
Positions
( Places )
|
Time
expressions
|
|
have
…… v3 . It comes at the end of a sentences
OR between
|
1- already
|
|
It comes in the middle of a sentence have + just + p.p
|
2- just
|
|
It comes at the end of negative stative sentence AND questions .
|
3-yet
|
|
Use ever in
questions only – NOT in statements.
Use never in
statements – but only with have/has, not with haven’t/hasn’t .
|
4-ever & never
|
|
is used with a time
period For
|
5- for
|
|
Since is used with a point in time
|
6-since
|
|
Recently and
lately can be used in positive statements, negative statements, or
questions .
|
7- recently
& lately
|
The difference between
P.P.P.& P.P.S
Present perfect progressive vs Present perfect simple
|
Present
Perfect Simple
|
Present
Perfect Progressive
|
|
Result
(what / how much / how often)
I have written 5
letters. / I have been to London twice.
It emphasizes
the result of an action.
Examples:
I have known him
for 3 years.
I have washed the car. Result: The car is clean
|
Duration
(how long)
I have been writing
for an hour.
It emphasizes the
duration of an action.
Examples:
I have been sitting here since seven o’clock.
We have been on
holiday for two weeks.
|
