Present Perfect - Onregelmatige werkwoorden
- have/has + 3e rijtje
- In het verleden begonnen en nog steeds effect/aan de gang
- wanneer staat (meestal) niet in de zin of is niet belangrijk
- iets is zojuist gebeurd
- Signaalwoorden: since, for, yet, so far
+ She has been here twice since 2005
- She hasn't been here twice since 2005
? Has she been here twice since 2005?
+ I have gone to London twice so far
+ She has just done her homework.