English Sentences-Present-Perfect-Continuous.ppt

sentences

1. Present Perfect
Continuous

2. FORM
Have/has been + VERB-ing
I/we/they/you have(= I’ve, etc.)
been
doing, waiting,
writing, etc.he/she/it has (= he’s, etc.)

3. Present perfect continuous
It talks about an action that started in the past and
continues in the present.
The action is not yet complete.
It tells how long the action has been in progress.
He has been washingwritingsince 8:00.
They have been waitingfor their bossfortwenty minutes.

4. Present perfect continuous
I
You
We
They
have
beenworking
since8:00.
fortwo hours.He
She
It
has

5. Since & For
You can use the present perfect continuous for
actions that are repeated over a period of time:
Debbie is a very good tennis player. She’s
been playingsince she was eight.
Every morning they meet in the same café.
They’ve been goingthere for years.

6. Forand since
For Since
For shows an amount of time: Since tells when an action started:
for a few minutes
since 2pm
for three weeks
since 1998
for two years
for a decde
since Sunday
since she began her new job

7. Present continuous
vs.
Present perfect continuous
The present continuousdescribes what a person
is doing.
The present perfect continuoustells how long a
person has been doing that action.
Example:Katie is writing an email.
She has been writing an email for two hours.

8. Present perfect
vs.
Present perfect continuous
Both used to express that an action began in the past
and is still going on or has just finished.
In many cases, both forms are correct, but there is
often a difference in meaning.
We use thePresent Perfect Simplemainly to express
that an action is completed or to emphasize the result.
We use thePresent Perfect Progressiveto emphasise
the duration or continuous course of an action.
Result: I have written 5 letters.
Duration (how long): I have been writing for an hour.

9. REMEMBER:
In most situations with how long, since, andfor, the
continuous is more usual:
Examples:
I’ve been studyingEnglish for six months. (more
usual than I’ve studied)
It’s been rainingsince lunchtime.
Richard has been doingthe same job for 20 years.

10. some verbs (for example, know/like/believe) are not normally
used in the continuous:
Example: How long haveyou knownJane?
(nothave you been knowing)
either the present perfect continuous or present perfect simple withlive
and work:
Example:
Johnhas been living/has livedin London for a long time.
How long have you been working/ haveyou workedhere?
with alwaysthe simpleis used(I’ve done / I’ve lived, etc.):
Example:
John has always livedin London. (nothas always been living)
we use the present perfect simple in negative sentences like these:
Example: I haven’t seenTom since Monday.
Jane hasn’t calledme for two weeks.