English Tense: Present Perfect Continuous
(Subject + has/have + been + I form of the Verb + ing...)
In order to form the Present Perfect Continuous
Tense, we put has been orhave been before the Present
Participle Form of the Verb:
It has been raining for two hours.
I have been flying a kite since 2
O’clock.
Has the
gardener been watering the plants since morning? (Interrogative) She has not
been dancing for an hour. (Negative)
The Present Perfect Continuous Tense is used to describe an
action that began in the Past, is still continuing and may extend
into the Future:
She has been waiting for you for three
hours.
They have been playing cards since 10 A.M.
This tense is also used to express an action in a sentence which begins
with ‘For how long’ or ‘Since when’:
For how long have you been sitting here?
Since when has he been living in this house ?
This tense is also used to express an action which
began in the past and has been just completed. However, its result is visible
in the present:
I have been studying since morning and I am much tired now.
She has
been washing the dishes for an hour and her clothes are dirty now.
Note: Since is used
for a point of time.
For is used for a period of time.
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