This Tense is called the present perfect tense. There is always a connection with the past and with the present. Present Perfect Tense for continuing situation
We often use the Present Perfect Tense to talk about a continuing situation. This is a state that started in the past and continues in the present (and will probably continue into the future). This is a state (not an action). We usually use for or since with this structure.
I have worked here since June.
He has been ill for 2 days. How long have you known Ahmad?
The situation started in the past.
الحدث بدأ في الماضي
It continues up to now.
مستمر حتى هذه اللحظة
(It will probably continue into the future.)
من المحتمل أن يستمر في المستقبل
Connection with past: the situation started in the past.
Connection with present: the situation continues in the present.