动词过去式和过去分词总结
1、 规则变化 有六种情况：
1）一般在动词原形后加-ed
原形    过去式        过去分词
look  looked [lukt]    looked 
call     called[kɔ:ld]  called 
open  opened     opened
need  needed      needed
①-ed在清辅音音素后 发音为〔t〕，在浊辅音后发音为〔d〕，在元音后发音也为[d]
②-ed在〔t]、〔d〕 后发音为[id] needed [ni:did]
2）以-e结尾的动词直接加-d
原形      过去式            过去分词
move   moved [mu:vd]    moved
phone   phoned         phoned
hope     hoped [həupt]    hoped
agree    agreed  [əˈgri:d]  agreed
3）以辅音字母加y结尾的动词，变y为i， 再加-ed
study studied  [ˈstʌdid]  studied        carry   carried cariied
try   tried [traid]  tried
4、以元音字母加y结尾的词，直接加-ed
play played [pleid] played    enjoy enjoyed enjoyed    stay stayed [steid] stayed
5、末尾只有一个辅音字母的study的过去分词重读闭音节词，双写该辅音字母，再加-ed
stop stopped stopped[stɔpt]    plan planned planned  [plænd]  fit fitted fitted [fitid]
6、以-r音节结尾的词，双写r字母， 再加-ed
prefer preferred preferred[priˈfə:d]  refer referred  referred [riˈfə:d]
2、不规则变化
Infinitive 原形
simple past 过去式
past participle 过去分词
A
Abide
abided/abode
abided/abode
Arise
arose
arisen
Awake
awoke/ awakened
awoken
B
Babysit
babysat
babysat
Bear
bore
born / borne
Beat
beat
beaten / beat
Become
became
become
Befall
befell
befallen
Begin
began
begun
Behold
beheld
beheld
Bend
bent
bent
Beset
beset
beset
Beseech
beseeched/besought
beseeched/besought
Beset
beset
beset
Bespeak
bespoke
bespoken
bet
bet
bet
betake
betook
betaken
bid
bid/bade
bid/bidden
bind
bound
bound
bite
bit
bitten
bleed
bled
bled
blow
blew
blown
break
broke
broken
breastfeed
breastfed
breastfed
breed
bred
bred
bring
brought
brought
broadcast
broadcast
broadcast
browbeat
browbeat
browbeat
build
built
built
burn
burnt/ burned
burnt/burned
burst
burst
burst
bust
busted/ bust
busted/ bust
buy
bought
bought
C
cast
cast
cast
catch
caught
caught
choose
chose
chosen
cling
clung
clung
come
came
come
cost
cost
cost
creep
crept
crept
cut
cut
cut
D
deal
dealt
dealt
dig
dug
dug
dive (jump head-first)
dove
dived
do
did
done
draw
drew
drawn
dream
dreamt/ dreamed
dreamt/ dreamed
drink
drank
drunk
drive
drove
driven
dwell
dwelt/ dwelled
dwelt/ dwelled
E
eat
ate
eaten
F
fall
fell
fallen
feed
fed
fed
feel
felt
felt
fight
fought
fought
find
found
found
fit  (to be right size)
fit
fit
fit (to tailor, change size)
fit/ fitted
fit/ fitted
flee
fled
fled
fling
flung
flung
floodlight
floodlit
floodlit
fly
flew
flown
forbear
forbore
forborne
forbid
forbade
forbidden
forecast
forecast/forecasted
forecast/forecasted
forego (also forgo)
forewent
foregone
foretell
foretold
foretold
forget
forgot
forgotten
forgive
forgave
forgiven
forsake
forsook
forsaken
forswear
foreswore
forsworn
freeze
froze
frozen
G