Dutch verb conjugation

onderzoeken

irregular
"to investigate, to research" — irregular Dutch verb

Indicative

PresentPast
1st sg.onderzoekonderzocht
2nd sg.onderzoektonderzocht
3rd sg.onderzoektonderzocht

Non-finite

Infinitive
onderzoeken
Gerund
onderzoeken
Past participle
onderzocht
Present participle
onderzoekend
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Conjugation data from Kaikki.org (extracted from English Wiktionary), licensed CC BY-SA 4.0.