am,is----was;are----were;do----did;

　　go----went;say----said;write----wrote;

　　get----got;live----lived;like----liked;

　　love----loved;come----came;help----helped;

　　finish----finished;clean----cleaned;

　　wash----washed;cook----cooked;listen----listened;play----played;

　　phone----phoned;paint----painted;

　　watch----watched;learn----learnt/learned;

　　walk----walked;take----took;ride----rode;

　　stay----stayed;talk----talked;swim----swam;

　　invent----invented;print---printed;

　　look----looed;make----made;climb----climbed;

　　buy----bought;have----had;eat----ate;

　　see----saw;fall----fell;wear----wore;

　　drink----drunk;break----broke;want----wanted;

　　run----ran;give----gave;kiss----kissed;

　　put----put;practise----practised;win----won;

　　visit----visited;happen----happened;

　　bump----bumped;cut----cut;hurt----hurt;

　　knock----knocked;tell----told;

　　come-came

　　do-did

　　draw-drew

　　drink-drank

　　drive-drove

　　eat-ate

　　fall-fell

　　feed-fed

　　feel-felt

　　find-found

　　fly-flew

　　forght-forgot

　　get-got

　　go-went

　　have,has-had

　　hear-heard

　　hold-held

　　keep-kept

　　knoe-knew

　　learn-learnt,learned

　　leave-left

　　let-let

　　make-made

　　may-might

　　mean-meant

　　meet-met

　　must-must

　　put-put

　　read-read

　　ride-rode

　　ring-rang

　　run-ran

　　say-said

　　see-saw

　　sell-sold

　　shall-should

　　shoe-shoeed

　　sing-sang

　　sit-

　　sat

　　sleep-slept

　　speak-spoke

　　stand-stood

　　swim-swam

　　take-took

　　teach-taught

　　tell-told

　　think-thought

　　throw-threw

　　understand-understood

　　will-would

　　write-wrote