规则的,加ed.有e结尾的,加d；辅音字母加y结尾的,去y变i再加而得；重读闭音节末尾只有一个辅音字母结尾的,双写结尾字母,再加ed.
不规则的,单独记.
Irregular Verbs
Verb Past tense Past participle
am/is was been
are were been
babysit babysat babysat
bear bore born,borne
beat beat beaten,beat
become became become
begin began begun
break broke broken
bring brought brought
build built built
buy bought bought
can could
catch caught caught
come came come
cost cost cost
cut cut cut
do/does did done
draw drew drawn
drink drank drunk
drive drove driven
eat ate eaten
fall fell fallen
feed fed fed
feel felt felt
fight fought fought
find found found
fly flew flown
forget forgot forgotten,forgot
freeze froze frozen
get got gotten,got
give gave given
go went gone
grow grew grown
hang hung,hanged hung,hanged
have/has had had
hear heard heard
hold held held
hurt hurt hurt
keep kept kept
know knew known
lay laid laid
leave left left
lie lay,lied lain,lied
let let let
lose lost lost
make made made
may might
mean meant meant
meet met met
pay paid paid
put put put
read read read
ride rode ridden
ring rang rung
run ran run
say said said
see saw seen
sell sold sold
send sent sent
shall should
show showed shown,showed
sing sang sung
sit sat sat
sleep slept slept
speak spoke spoken
spell spelt,spelled spelled,spelt
spend spent spent
stand stood stood
sweep swept swept
swim swam swum
take took taken
teach taught taught
tell told told
think thought thought
wear wore worn
will would
win won won
write wrote written