to see - saw - have seen	to say - said - have said	to find - found - have found
to take - took - have taken	to do - did - have done	to go - went - have gone
to think - thought - have thought	to be - was/were - have been	to have - had - have had
to come - came - have come	to feel - felt - have felt	to leave - left - have left
to write - wrote - have written	to choose - chose - have chosen	to speak - spoke - have spoken

vinden	zeggen	zien
gaan	doen	nemen
hebben	zijn	denken
verlaten	voelen	komen
praten, vertellen	kiezen	schrijven