English verb conjugation

understand

irregular
"To know the meaning of; to parse or have parsed correctly; to comprehend, To know the meaning of, To be thoroughly familiar with; to be able to undertake properly" — irregular English verb

Indicative

PresentPast
1st sg.understandunderstood
2nd sg.understandunderstood
3rd sg.understandsunderstood

Non-finite

Infinitive
understand
Past participle
understood
Present participle
understanding
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Conjugation data from Kaikki.org (extracted from English Wiktionary), licensed CC BY-SA 4.0.