This document discusses the present perfect continuous tense in English. It is used to express present actions that started in the past and continue into the present, such as "He has been living in Rome since 1975." It also discusses the negative ("I haven't been working there for more than three") and interrogative ("How long have you been living in Paris?") forms. Keywords that indicate the present perfect continuous include "for," "how long," "since," "recently," and "long."

1. PRESENT PERFECT
CONTINUOUS

2. PRESENT PERFECT
CONTINUOUS
It is used to express:
- present actions starting in the past
and carrying on in the present:
He has been living in Rome since 1975
He has been playing soccer for seven years
- only actions :
We have been sleeping for hours

3. PRESENT PERFECT CONTINUOUS
Forma negativa:
I haven't been working there for more than three
It hasn't been raining for long
Forma interrogativa:
How long have you been living in Paris?
Have your parents been running fast recently?

4. PRESENT PERFECT
CONTINUOUS
Keywords:
- for
- how long
- since
- recently
- long