Double conjugation for the verb "dünken" : 1) Regular: "ich dünke"/ "ich dünkte" / "gedünkt". 2) Irregular: there is a vowel change in the stem of Present tense ("ich dünke"), the stem of Preterite ("ich deuchte") and the stem of Past Participle ("gedeucht").
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Based on the ending, you can identify features that different verbs have in common. Click on the verbs above to see their conjugation tables and explore their conjugation patterns.