En inglés, hay una serie de verbos cuyo Simple Past (Pasado Simple) y Past Participle (participio pasado) no siguen ninguna regla, y por lo tanto, son los llamados verbos irregulares.
A continuación hay una tabla con los verbos irregulares más fundamentales (aún faltan por agregar):
| Verb | Simple Past | Past Participle |
| A | ||
| arise (surgir) | arose (surgió) | arisen (surgido) |
| B | ||
| be (ser / estar) | was / were | been |
| become (recibir) | became | became |
| begin (empezar) | began | begun |
| bet (apostar) | bet/betted | bet |
| bite (morder) | bit | bitten |
| blow (soplar) | blew | blown |
| break (romper) | broke | broken |
| bring (traer) | brought | brought |
| build (construir) | built | built |
| burn (quemar) | burnt/burned | burnt/burned |
| buy (comprar) | bought | bought |
| C | ||
| cast (emitir) | cast | cast |
| catch (atrapar) | caught | caught |
| choose (elegir) | chose | chosen |
| cling (adherirse) | clung | clung |
| come (venir) | came | come |
| cost (costar) | cost | cost |
| cut (cortar) | cut | cut |
| D | ||
| deal (tratar) | dealt | dealt |
| dig (cavar) | dug | dug |
| dive (bucear) | dived | dived |
| do (hacer) | did | done |
| draw (dibujar) | drew | drawn |
| dream (soñar) | dreamed | dreamed |
| drink (beber) | drank | drunk |
| drive (conducir) | drove | driven |
| E | ||
| eat (comer) | ate | eaten |
| F | ||
| fall (caer) | fell | fallen |
| feed (alimentar) | fed | fed |
| feel (sentir) | felt | felt |
| fight (pelear) | fought | fought |
| find (encontrar) | found | found |
| fit (encajar, caber) | fit | fit |
| flee (huir) | fled | fled |
| fling (arrojar) | flung | flung |
| fly (volar) | flew | flown |
| forbid (prohibir) | forbade | forbidden |
| forget (olvidar) | forgot | forgotten |
| forgive (perdonar) | forgave | forgiven |
| freeze (congelar) | froze | frozen |
| G | ||
| get (conseguir) | got | got |
| give (dar) | gave | given |
| go (ir) | went | gone |
| grow (crecer) | grew | grown |
