①一般情况下在动词原形后直接加-ed。如：wanted，played。
②以不发音的字母e结尾的动词，去掉e再加-ed。如：hoped，lived。
③重读闭音节单词需双写最后一个辅音字母再加-ed。如：stopped。
④以辅音字母+y结尾的动词变y为i，再加-ed。如：studied，worried。
规则动词过去式的读音也有规律可循。请记住：清后[t]，元浊[d]，[t] [d]之后读[Id]。
①清辅音[p] [k] [f] [s] [F] [tF]等后，ed要读[t]。如：worked，finished。
②元音或浊辅音[b] [g] [v] [z] [m]等后，ed要读[d]。如：lived，called。
③[t]或[d]后，ed读[Id]。如：started，needed。
b.不规则动词变化
be动词过去式有两种形式，主语是第一、三人称单数形式使用was，其他人称用were
其他的大概有几类
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 thought 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 broke broken
do did done
draw drew drawn
drink drank drunk
drive drove driven
eat ate eaten
fall fell fallen
fly flew flown
forget forgot forgotten
give gave given
go went gone
grow grew grown
know knew known
lie lay lain
ride rode ridden
ring rang rung
see saw seen
show showed shown
sing sang sung
speak spoke spoken
swim swam swum
take took taken
throw threw thrown
wake woke woken
wear wore worn
write wrote written
四、ABA型（原形与过去分词同形）：
become became become
come came come
五、AAB型（原形与过去式同形）：
beat beat beaten
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