原形 过去式 过去分词
know knew known
worry worried worried
fall fell fallen
throw threw thrown
feed fed fed
fight fought fought
grow grew grown
hold held held
sell sold sold
stop stopped stopped
lie 躺 lay lain (lying)
说谎 lied lied (lying)
spell spelt/spelled spelt/spelled
crowd crowded crowded
ride rode ridden
mix mixed mixed
rent rented rented
stay stayed stayed
relax relaxed relaxed
wear wore worn
shall should should
stress stressed stressed
bob bobbed bobed
peel peeled peeled