Zu dieser Karteikarte gibt es einen kompletten Satz an Karteikarten. Kostenlos!

as soon as + Present Perfect: always refers to the future
= when + Present Perfect: always refers to the future
=once

when I have eated I will go for a walk
as soon as I have finished I will give you a buzz

Since I last saw (Past)

Tiempo no acabado Present Perfect

I have seen her this morning
I have met her during the last two weeks
Up to now, I haven´t had much contact with my new colleagues
so far I have only visited Paris, I am not very well travelled