(+) I/You/We/They =
have + ww+
ed / 3e vormHe/She/It = has + ww+ed / 3e vorm
He has lived here for ten years now.
(-) haven't / hasn't + ww+ed / 3e vorm
I haven't listened to anything that you've said.
(?) Have/Has + onderwerp + ww+ed / 3e vorm
Has she ever been to Spain before?
1) Iets is in het verleden begonnen en gaat nu nog door (actief of resultaat)
2) Verleden tijd zonder tijdsindicatie
3) Signaalwoorden: For, Yet, Never, Ever, Just, Already, Since, Lately, Recently)