Irregular Verbs

Irregular Verb Lose: lose - lost - lost

Published January 21, 2026 · 2 views

The irregular verb lose does not form its past tense by adding -ed.

Base formSimple pastPast participle
loselostlost

How to Use It

  • Present: I lose.
  • Past: Yesterday I lost.
  • Present perfect: I have lost.

Remember

Use the past participle (lost) after have, has or had, and in passive sentences. Learn the three forms together: lose - lost - lost.

See also: The Simple Past Tense and The Present Perfect Tense.