To have just finish an action.
“Acabar de” is a phrasal verb in Spanish. Conjugated in present tense means past tense, something that happened a short time ago. How long ago? It depends on the subject. It could be an action performed a few minutes ago or an unhabitual action that happened a while ago, like a trip or buying a house…
Examples of “Acabar de”:
Acaban de regresar de Europa.
They’ve just got back from Europe. Yesterday, a couple of month ago…?
Acabo de terminar el rompecabezas.
I just completed the puzzle.
Acabamos de comprar un auto. (present tense)
We just bought a car. (past tense). A day ago, a month ago…?
Acabo de salir de mi casa. (present tense)
I have just left the house.(past tense)