不规则动词的过去式和规则动词的过去式
is was
are were
am was
go went
do,does did
bring brought
make made
have had
run ran
tell told
eat ate
get got
draw drew
put put
read read
take took
diy died
see saw
规则：
call called
live lived
learn learned/learnt
walk,talk +ed
jump +ed
use+d
plant,want,water,play +ed
stop stopped
study studied
visit visited
规则过去式
1)在词尾+ed
2)以不发音的e结尾的动词+d
3)以辅音字母+y结尾的动词变y为i+ed
4)以重读闭音节结尾且末尾只有一个辅音字母结尾的动词双写最后的辅音字母+ed
5)以l结尾的动词,双写L+ed
不规则过去式
1)原形,过去式同形(例:read,let,cost,set,cast,spread,hurt等)
2)原形,过去式不同形(特殊记忆)
不规则动词过去式
规则动词 过去式 过去分词 分类：学习
G
get got gotten/ got
give gave given
go went gone
grind ground ground
grow grew grown
H
hang hung hung
have had had
hear heard heard
hide hid hidden
hit hit hit
hold held held
hurt hurt hurt
I
input input input
inset inset inset
interbreed interbred interbred
interweave interwove interwoven
K
keep kept kept
kneel knelt/ kneeled knelt/ kneeled
knit knit/ knitted knit/ knitted
know knew known
L
lay laid laid
lead led led
lean leaned/ leant leaned/ leant
leap leapt/ leaped leapt/ leaped
learn learned/ learnt learned/ learnt
leave left left
lend lent lent
let let let
lie lay lain
light lit / lighted lit / lighted
lose lost lost
M
make made made
mean meant meant
meet met met
mishear misheard misheard
mislay mislaid mislaid
mislead misled misled
misread misread misread
misspell misspelled/ misspelt misspelled/ misspelt
mistake mistook mistaken
misunderstand misunderstood misunderstood
mow mowed mowed/ mow
O
outbid outbid outbid
outdo outdid outdone
outgrow outgrew outgrown
outrun outran outrun
outsell outsold outsold
overcast overcast overcast
overcome overcame overcome
overdo overdid overdone
overdraw overdrew overdrawn
overeat overate overeaten
overhang overhung overhung
overhear overheard overheard
overlay overlaid overlaid
overlie overlay overlain
overpay overpaid overpaid
override overrode overridden
overrun overran overrun
oversee oversaw overseen
oversell oversold oversold
overshoot overshot overshot
oversleep overslept overslept
overtake overtook overtaken
overthrow overthrew overthrown
free of,free from的区别
第一,free from vt. 不受(免于,没有).后面接的是负面的东西,一般较抽象化Examples:1. People in there are free from want and fear.生活在那里的人民可免于匮乏及恐惧。2. This city is free from thieves.这个城市没有盗贼。3. Free from traditional social or moral constraints.任意的不受传统的社会或道德限制的4. The hill is completely free from trees.这个山丘上一棵树也没有。5. A judge must be free from prejudice.法官必须不抱成见。6. You must take the most scrupulous care to keep the wound free from the dirt.你必须非常小心地护理，以免伤口沾上污物。7. When her son returned she was at last free from anxiety.她儿子回来了，她总算解除了忧虑。8. He leads a life (which is) free from care.他过着无忧无虑的生活。第二,.free of 免于后面接的一般是具体化的东西.Examples:1. The streets have been swept free of leaves.街上的落叶已打扫乾净.2. He was free of the house.他可以自由使用那房子。3. Don't interrupt him; he's been writing away all morning and likes to have a long period free of other considerations.别打搅他，他已不停地写了一上午了。他喜欢有个较长的时间不受其它事情的干扰。4. The ship was free of the harbor.那艘船离开了港囗。
