السبت، 17 فبراير 2024

Unit 8 / Present perfect progressive versus Present perfect simple ..

 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 havebeen 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.