When do we use it?
-Something started in the past and is still going on/ the effects are still present.
-Something happened a very short while ago.
-Past events when it doesn't matter when they happened. (eg. I have been to a lot of countries in Europe.)
- FYNE JAS words: F or, Y et, N ever, E ver, J ust, A lready, S ince.
(always present perfect!)
Example: I have not seen her YET/ She has worked here FOR 6 years.