dig(挖)→dug→dug

dream(梦见)→dreamt→dreamt

feed(喂养)→fed→fed

feel(感觉)→felt→felt

fight(战斗)→fought→fought

find(发现)→found→found

flee(逃离)→fled→fled

hang(悬挂)→hung→hung

have(有)→had→had

hear(听见)→heard→heard

hold(握住)→held→held

keep(保持)→kept→kept

lay(放下)→laid→laid

lead(领导)→led→led

lean(倾斜)→leant→leant

learn(学会)→learnt→learnt

leave(离开)→left→left

lend(借出)→lent→lent

light(电亮)→lit→lit

lose(失去)→lost→lost

make(制作)→made→made

mean(意思是)→meant→meant

meet(遇见)→met→met