PRESENT
PERFECT CONTINUOUS
SUBJECT + HAVE / HAS +
BEEN + VERB-ing + (Complements)
STATEMENT I have been studying for ten hours
She
has been writing a composition since Sunday
They
have been walking home every day
NEGATION I have not been studying for ten
hours
She has not been
writing a composition since Sunday
They
have not been walking home every day
INTERROGATION Have I been studying for ten hours?
Has she been
writing a composition since Sunday?
Have
they been walking home every day?
TIME EXPRESSIONS:
Those related to perfect tenses.
USES:
·
To
emphasize the duration of the action: He has been training for the
marathon for months
·
Actions
recently finished with a visible effect in the present: I'm tired because I have
been studying all day
·
Actions
that began in the past and are not yet finished: I have been living in
this house all my life