feel的变化和以下单词差不多：
sleep(slept)
keep(kept)
sweep(swept)
fall的变化（改动一个字母）和下面的单词差不多：
sit sat
babysit babysat
come came
become became
draw drew
drink drank
drive drove
get got
forget forgot
give gave
grow grew
know knew
make made
ride rode
ring rang
run ran
send sent
sing sang
spend spent
swim swam
win won
write wrote
常用的就这些,主要的就是背
同学,很高兴回答你的问题
正确答案如下：
hold - held - held
stick - stuck - stuck
keep -kept -kept
fall -fell - fallen
take - took -taken
ring -rang - rung
有不明白的请继续追问,
过去式 过去分词 现在分词
catch caught caught catching
stand stood stood standing
hurt hurt hurt hurting
slip slipped slipped slipping
fall fell fallen dalling
robots
