continue up to the present usually with the verbs
know, be, have, passes, own.He has had this computer for two years.
to talk about a past action which has a visible result in the present.
She has been using my computer without asking me.
for repeated actions in the past continuing to the present
He doesn’t feel good because he has eaten too much.
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PRESENT PERFECT
Time
expressions
since
for
how long
just
already
yet
ever
never