When do we use irregular verbs:
Past Simple and Present Perfect
page 120 -121. de tweede en derde rij.
GRAMMAR 5.42e rij = past simple = verleden tijd
* She was sick last week.
3e rij = past participle = voltooideelwoord
(with present perfect, dus have/had +3e rij)
*I have lived in Netherlands for 6 months now.