PRESENT PERFECT TENSE (1)

Here is a brief review of the form and function of the present perfect tense.

1.- The present perfect is used when the time period has not finished:
e.g. = I have seen three movies this week. (This week has not finished yet.)

1.- El presente perfecto se usa cuando una accion NO ha terminado:

ej: Yo he visto tres peliculas esta semana. (Esta semana aun NO termina)

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2.- The present perfect is often used when the time is not mentioned:
e.g. = Gerry has failed his exam again.

2.- El presente perfecto seguido es usado cuando el tiempo NO es mencionado:

ej: Gerry ha reprobado su examen. (pero NO especifica cuando)

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3.- The present perfect is often used when the time is recent:
e.g = John has just arrived in Tijuana.

3.- El presente perfecto seguido se usa cuando el tiempo es reciente:

ej: John acaba de llegar a Tijuana.

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4.- The present perfect is often used with for and since.

e.g. Greg has lived here for 20 years.

e.g. Greg has lived here since 1978.

4.- El presente perfecto seguido se usa con por y desde.

e.j. Greg ha vivido aqui por 20 años.

e.j. Greg ha vivido aqui desde 1978.

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The present perfect is formed like this:

--Auxiliary verb: have / has

+ past participle

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Present Perfect Tense.

El presente Perfecto se forma asi:

--Verbos auxiliares: have / has

+ el pasado participio

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Tiempo Presente Perfecto.