Verb forms
Base form
swim
Past Simple
swam
Past Participle
swum
Example sentences
Base form · swim
Dolphins swim incredibly fast.
Past Simple · swam
We swam in the lake every day last summer.
Past Participle · swum
She has swum across the channel twice.
Conjugation pattern
All three forms are different — this group needs the most practice.
Verbs with the same pattern