英语中有多少不规则的过去式动词？

一、AAA型（原形、过去式和过去分词同形）：

cost cost cost cut cut cut

let let let put put put

read read read

二、ABB型（过去式与过去分词同形）：

bring brought brought

build built built

buy bought bought

catch caught caught

dig dug dug

feel felt felt

find found found

get got got

have had had

hear heard heard

hold held held

keep kept kept

※learn learnt learnt

leave left left

lend lent lent

make made made

meet met met

pay paid paid

say said said

sell sold sold

send sent sent

shine shone shone

sit sat sat

sleep slept slept

※smell smelt smelt

spend spent spent

stand stood stood

teach taught taught

tell told told

think thou