Analysis have found 680 irregular verbs so far including prefixed verbs (misunderstand) and well as rare forms.
The most common irregular verbs are: be, do, get, go, have, know, say, see, take, think.
Irregular verb forms occur in simple present and simple past as well as past participles. Remember that past participles are used in many verb forms including: present perfect, past perfect, future perfect, passive forms and past conditional forms.
| BASE FORM | PAST FORM | PAST PARTICIPLE |
| be | was / were | been |
| beat | beat | beaten |
| become | became | become |
| begin | began | begun |
| bend | bent | bent |
| bet | bet | bet |
| bite | bit | bitten |
| bleed | bled | bled |
| blow | blew | blown |
| break | broke | broken |
| breed | bred | bred |
| bring | brought | brought |
| build | built | built |
| burn | burnt/burned | burnt/burned |
| buy | bought | bought |
| catch | caught | caught |
| choose | chose | chosen |
| come | came | come |
| cost | cost | cost |
| cut | cut | cut |
| do | did | done |
| dig | dug | dug |
| draw | drew | drawn |
| dream | dreamt/dreamed | dreamt/dreamed |
| drink | drank | drunk |
| drive | drove | driven |
| eat | ate | eaten |
| fall | fell | fallen |
| feed | fed | fed |
| feel | felt | felt |
| fight | fought | fought |
| find | found | found |
| fly | flew | flown |
| forget | forgot | forgotten |
| forgive | forgave | forgiven |
| freeze | froze | frozen |
| get | got | got |
| give | gave | given |
| go | went | gone |
| grow | grew | grown |
| have | had | had |
| hear | heard | heard |
| hide | hid | hidden |
| hit | hit | hit |
| hold | held | held |
| hurt | hurt | hurt |
| keep | kept | kept |
| know | knew | known |
| lay | laid | laid |
| lead | led | led |
| lean | leant/leaned | leant/leaned |
| leave | left | left |
| lend | lent | lent |
| let | let | let |
| lose | lost | lost |
| make | made | made |
| mean | meant | meant |
| meet | met | met |
| pay | paid | paid |
| put | put | put |
| quit | quit | quit |
| read /ri:d/ | read /red/ | read /red/ |
| ride | rode | ridden |
| ring | rang | rung |
| rise | rose | risen |
| run | ran | run |
| say | said | said |
| see | saw | seen |
| sell | sold | sold |
| send | sent | sent |
| set | set | set |
| shake | shook | shaken |
| shine | shone | shone |
| shoe | shod | shod |
| shoot | shot | shot |
| show | showed | shown |
| shrink | shrank | shrunk |
| shut | shut | shut |
| sing | sang | sung |
| sink | sank | sunk |
| sit | sat | sat |
| sleep | slept | slept |
| speak | spoke | spoken |
| spend | spent | spent |
| spill | spilt/spilled | spilt/spilled |
| spread | spread | spread |
| speed | sped | sped |
| stand | stood | stood |
| steal | stole | stolen |
| stick | stuck | stuck |
| sting | stung | stung |
| stink | stank | stunk |
| swear | swore | sworn |
| sweep | swept | swept |
| swim | swam | swum |
| swing | swung | swung |
| take | took | taken |
| teach | taught | taught |
| tear | tore | torn |
| tell | told | told |
| think | thought | thought |
| throw | threw | thrown |
| understand | understood | understood |
| wake | woke | woken |
| wear | wore | worn |
| win | won | won |
| write | wrote | written |
