Irregular VerbsPast tense of “mistake”: mistook, mistaken
The verb “mistake” is irregular: its past simple is “mistook” and its past participle is “mistaken”.
Base form (V1)
mistake
/mɪˈsteɪk/
Past simple (V2)
mistook
/mɪˈstʊk/
Past participle (V3)
mistaken
/mɪˈsteɪkən/
Meaning
to think something wrong is right
Example
I mistook him for his brother.
Pattern
ABC — all three forms are different
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