This document lists irregular verbs and their infinitive, simple past, and past participle forms. It provides examples for 12 irregular verbs: weep, unfreeze, underwrite, tread, throw, swell, strike, mistake, hold, and arise. For each verb, it clearly identifies the infinitive, simple past tense, and past participle.

1. Irregular verbs Mariana Cabal Calero

2. Verb: weep infinitive: weep Simple past: wept Past participle: wept

3. Verb: unfreeze infinitive: unfreeze Simple past: unfroze Past participle: unfrozen

4. Verb: underwrite infinitive: underwrite Simple past: underwrote Past participle: underwritten

5. Verb: tread infinitive: tread Simple past: trod Past participle: trodden/trod

6. Verb: throw infinitive: throw Simple past: threw Past participle: thrown

7. Verb: swell infinitive: swell Simple past: swelled Past participle: swollen/swelled

8. Verb: strike infinitive: strike (delete) Simple past: sruck Past participle: stricken

9. Verb: mistake infinitive: mistake Simple past: mistook Past participle: mistaken

10. Verb: hold infinitive: hold Simple past: held Past participle: held

11. Verb: arise infinitive: arise Simple past: arose Past participle: arisen