Present Perfect

1. PRESENT
PERFECT
Structures
SINCE:Used since a point in Affirmative sentences:
time - 10 o'clock, 2nd January, Sujeto + verbo auxiliar
August, 2001, yesterday etc ... (¨to have¨) + particio
pasado
FOR:It is used for a period Negative Sentences
of time - 1 minute, 1 hour, (Frases negativas)
1 day, a month, a year etc...
Sujeto+ verbo auxiliar
(¨to have¨)+ not
Already used to indicate +particio past
that we have taken participle
action sooner than EXAMPLE:
expected. Affirmative
Sentences: I've
Already used to indicate talked(He hablado con
that we have taken Peter.)
action sooner than Negative
expected. Sentences:
haven't talked(No
Yet is used to he hablado con
question and deny Peter.)
the "Present Perfect"