once是副词或者连词,没有过去式的
bear 过去式bore 过去分词borne
begin began begun
decide decided decided
ride rode ridden
golden 是形容词,金黄色的
little 很少的,形容词
pick picked picked
notice noticed noticed
hurry hurried hurried
knock knocked knocked
nobody 名词 没有人
push pushed pushed
open opened opened
enter entered entered
count counted counted
bowl bowled bowled
pick up picked up picked up
all 副词 所有的,都
hungry 饥饿的 形容词