mislead(误导)→misled→misled

misunderstand(误解)misunderstood→misunderstood

pay(付费)paid→paid

rebuild(重建)→rebuilt→rebuilt

retell(重述)→retold→retold

say(说)→said→said

seek(追求)→sought→sought

sell(卖)→sold→sold

send(派送)→sent→sent

shine(照耀)→shone→shone

shoot(射击)→shot→shot

sit(坐)→sat→sat

sleep(睡觉)→slept→slept

smell(闻嗅)→smelt→smelt

speed(加速)→sped→sped

spell(拼写)→spelt→spelt

spend(度过)→spent→spent

spill(溅出)→spilt→spilt

spit(吐痰)→spat→spat

spoil(惯坏)→spoilt→spoilt

stand(站立)→stood→stood

stick(粘住)→stuck→stuck

sweep(打扫)→swept→swept