lunes, 28 de marzo de 2016

GRAMMAR EXPLANATION

THE DIFFERENCE BETWEEN SIMPLE PAST AND PRESENT PERFECT SIMPLE

Present Perfect Simple
Past Simple
Unfinished actions that started in the past and continue to the present:
·    I've known Julie for ten years (and I still know her).
Finished actions:
·    knew Julie for ten years (but then she moved away and we lost touch).
A finished action in someone's life (when the person is still alive: life experience):
·    My brother has been to Mexico three times.
A finished action in someone's life (when the person is dead):
·    My great-grandmother went to Mexico three times.
A finished action with a result in the present:
·    I've lost my keys! (The result is that I can't get into my house now).
A finished action with no result in the present:
·    lost my keys yesterday. It was terrible! (Now there is no result. I got new keys yesterday).
With an unfinished time word (this week, this month, today):I've seen John this week.
With a finished time word (last week, last month, yesterday):
·    saw John last week.


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