Appendix 1. List of irregular verbs

infinitive	Past Simple	Past Participle
be (am/is/are) beat become begin bite blow break bring build buy catch choose come cost cut do draw drink drive eat fall feel fight find fly forget get give go grow hang have hear hide hit hold hurt keep know leave lend	was/were beat became began bit blew broke brought built bought caught chose came cost cut did drew drank drove ate fell felt fought found flew forgot got gave went grew hung had heard hid hit held hurt kept knew left lent	been beaten become begun bitten blown broken brought built bought caught chosen come cost cut done drawn drunk driven eaten fallen felt fought found flown forgotten got given gone grown hung had heard hidden hit held hurt kept known left lent

infinitive	Past Simple	Past Participle
let lie light lose make mean meet pay put read /ri:d/ ride ring rise run say see sell send shine shoot show shut sing sit sleep speak spend stand steal swim take teach tear tell think throw understand wake wear win write	let lay lit lost made meant met paid put read /red/ rode rang rose ran said saw sold sent shone shot showed shut sang sat slept spoke spent stood stole swam took taught tore told thought threw understood woke wore won wrote	let lain lit lost made meant met paid put read /red/ ridden rung risen run said seen sold sent shone shot shown shut sung sat slept spoken spent stood stolen swum taken taught torn told thought thrown understood woken worn won written

These verbs can be regular (-ed) or irregular (-t):