1、是 am, is (be) was是 are (be) were成为 become became开始 begin began弯曲 bend bent吹 blow blew买 buy bought能 can could捕捉 catch caught选择 choose chose来 come came切 cut cut做 do, does did画 draw drew饮 drink drank吃 eat ate感觉 feel felt发现 find found飞 fly flew忘记 forget forgot得到 get got给 give gave走 go went成长 grow grew有
2、have, has had听 hear heard受伤 hurt hurt保持 keep kept知道 know knew学习 learn learned, learnt允许，让 let let躺 lie lay制造 make made可以 may might意味 mean meant会见 meet met必须 must must放置 put put读 read read骑、乘 ride rode响、鸣 ring rang跑 run ran说 say said看见 see saw将 shall should唱歌 sing sang坐下 sit sat睡觉 sleep slept说 speak spoke度过 spend spent扫 sweep swept
