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PRESENT PERFECT SIMPLE
The present perfect simple We use present perfect simple for
is used to express an unfinished or finished actions. We
action that is still going on used it when we want to talk about
or that stop recently, but unfinished actions that started in the
has an influence on the past and continue to the present.
present. We use this tense Usually we use it to say 'how long'
for unfinished and finished and we need 'since' or 'for'. The
actions. Mostly, we used it time of the action is before now
to indicate a link between but not specified
the present and the past.
for already
PRESENT
PERFECT
SIMPLE
since just
yet
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