Irregular VerbsPast tense of “tread”: trod, trodden
The verb “tread” is irregular: its past simple is “trod” and its past participle is “trodden”.
Base form (V1)
tread
/trɛd/
Past simple (V2)
trod
/trɒd/
Past participle (V3)
trodden
/ˈtrɒdən/
Meaning
to put your foot down when you walk
Example
He trod carefully on the ice.
Pattern
ABC — all three forms are different
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