Present Prefect – voltooid tegenwoordige tijd
Use: when something has happened in the past but it is not important when. Or when something started in the past and is still going on. Words often associated with the present Prefect are: Never, for, since, (not) yet, already, ever etc.
Form: Have/Has + voltooid deelwoord/past participle
I have walked a lot Q: Have I walked a lot? N: I haven’t walked a lot
He has eaten a lot Q: Has he eaten a lot? N: He hasn’t eaten a lot
the Present Perfect part 1
the present Perfect part 2