Irregular conjugation: loss of -s in the second person singular form of Present Indicative ("du genest"). There is a vowel change in the stem of Present tense ("ich genese"), the stem of Preterite ("ich genas") and the stem of Past Participle ("genesen").
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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.