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)