规则动词的过去式和过去分词由词尾加ed构成，而不规则动词的变化因词而异。但如对不规则动词的过去式和过去分词做一分析，就可发现其中的规则。为方便同学们记忆，现将初中英语教学大纲中的69个不规则动词的原形、过去式和过去分词列出并规为五种类型。同学们还可将第二、三类分为若干组，以便准确记忆。
一、AAA型(原形、过去式和过去分词同形)：
cost1 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 brought2 brought
build built3 built
buy bought bought
catch caught caught
dig dug4 dug
feel felt felt
find found5 found
get got6 got
have had7 had
hear heard heard
hold held held
keep kept kept
※learn learnt learnt
leave left left
lend lent8 lent
make made9 made
meet met met
pay paid10 paid
say said11 said
sell sold12 sold
send sent sent
shine shone13 shone
sit sat14 sat
sleep slept slept
※smell smelt15 smelt
spend spent spent
stand stood16 stood
teach taught17 taught
tell told told
think thought18 thought
understand understood
understood
三、ABC型(原形、过去式和过去分词各异)：
be was/were been
begin began begun
blow blew blown
break broke19 broken
do did20 done
draw drew drawn
drink drank drunk
drive drove21 driven
eat ate22 eaten
fall fell23 fallen
fly flew24 flown
forget forgot25 forgotten
give gave26 given
go went gone
grow grew grown
know knew known
lie lay27 lain
ride rode28 ridden
ring rang rung
see saw29 seen
show showed shown
sing sang30 sung
speak spoke31 spoken
swim swam swum
take took32 taken
throw threw thrown
wake woke33 woken
wear wore worn
write wrote34 written
四、ABA型(原形与过去分词同形)：
become became35 become
come came36 come
五、AAB型(原形与过去式同形)：
beat37 beat beaten38
(注：带※号的词也可视为规则动词。)
