Irregular verb · #67 by frequency

swim — past tense and past participle

Baseswimswɪm

Past simpleswamswæm

Past participleswumswʌm

In a sentence

Base: Many tourists swim in the lake during summer.

Past simple: Lily swam across the river without stopping.

Past participle: The retired sailor has swum in every ocean around the world.

Españolnadar

Françaisnager

Русскийплавать

Українськаплавати

Deutschschwimmen

Portuguêsnadar

Italianonuotare

Polskipływać

Türkçeyüzmek

Pattern

i → a → u

The classic ringing family: begin / began / begun, sing / sang / sung. Rhymes hard, which is exactly where audio drilling wins.

Same pattern