✔ 最佳答案
The Present Perfect Tense,whether active or passive, is in your situation:-eg:-
(1)The Present Perfect Tense is associated with the present idea of now.It is used for an action just concluded when the resulting state is still present, eg:-
Sam has just left Mary's room at 08:45 am today
=Sam has just left your room at 08;45 am.
(2)The demanded time was approaching 15 min. to 09:00 am but now his leaving has been taken at 08:45 am.
(3)With activities completed in the immediate past, just is often used.eg:-just left;
Or since eg:-Sam has left your room since 08:45 am.
Whether active or passive, the present perfect tense is in your situation.