The following chart lists the past tense and the past participle form of common irregular verbs. All modal auxiliaries are irregular. See the chart in Section 11.3.5 for their forms.
Base Form Simple Past Past Participle arise arose arisen awake awoke awoken/awaked be was/were been bear bore borne beat beat beaten become became become begin began begun bend bent bent bet bet bet bid bade/bid bidden/bid bind bound bound bite bit bitten bleed bled bled blow blew blown break broke broken breed bred bred bring brought brought broadcast broadcast broadcast build built built burst burst burst buy bought bought cast cast cast catch caught caught choose chose chosen cling clung clung come came come cost cost cost creep crept crept cut cut cut deal dealt dealt dig dug dug dive dived/dove dived do did done draw drew drawn drink drank drunk drive drove driven eat ate eaten fall fell fallen feed fed fed feel felt felt fight fought fought find found found fit fit fit flee fled fled fling flung flung fly flew flown forbid forbade forbidden forecast forecast forecast forget forgot forgotten forgive forgave forgiven forsake forsook forsaken freeze froze frozen get got gotten give gave given go went gone grind ground ground grow grew grown hang hung hung 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 leave left left lend lent lent let let let lie lay lain light lit/lighted lit/lighted lose lost lost make made made mean meant meant meet met met mislay mislaid mislaid mistake mistook mistaken pay paid paid prove proved proved/proven put put put quit quit quit read read read rid rid rid ride rode ridden ring rang rung rise rose risen run ran run say said said see saw seen seek sought sought sell sold sold send sent sent set set set shake shook shaken shed shed shed shine shone/shined shone/shined shoot shot shot show showed shown/showed shrink shrank/shrunk shrunk shut shut shut sing sang sung sink sank sunk sit sat sat slay slew slain sleep slept slept slide slid slid slit slit slit speak spoke spoken speed sped/speeded sped/speeded spend spent spent spin spun spun spit spit/spat spit/spat split split split spread spread spread spring sprang/sprung sprung stand stood stood steal stole stolen stick stuck stuck sting stung stung stink stank/stunk stunk strike struck struck/stricken string strung strung strive strove striven 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 thrust thrust thrust tread trod trodden/trod understand understood understood undertake undertook undertaken upset upset upset wake woke/waked woken/waked wear wore worn weave wove woven weep wept wept win won won wind wound wound withdraw withdrew withdrawn wring wrung wrung write wrote written
