都是按原形－过去式－过去分词排的

　　1.work-worked-worked;之后的所有词都遵守“动词原形－原形＋ed－原形＋ed”的变化规则；

　　2.study-studied-studied;之后的所有词都遵守“动词原形－原形去y变ied－原形去y变ied”的变化规则；

　　3.live-lived-lived；之后的所有词和1一样；

　　4.stop-stopped-stopped;之后所有词都遵守“动词原形－双写p/g/n/t/r/l＋ed－双写p/g/n/t/r/l＋ed”的变化规则；

　　5.不规则变化：am/is/are(即be)－was（对应am和is）/were（对应are）－been（三者一样）;has/have-had-had;do/does-did-done;go-went-gone;cut-cut-cut;shut-shut-shut;put-put-put;hit-hit-hit;set-set-set;read-read-read（读音有变化）;meet-met-met;sleep-slept-slept;spend-spent-spent;hear-heard-heard;find-found-found;get-got-got/gotten;say-said-said;make-made-made;stand-stood-stood;tell-told-told;drink-drank-drunk;drive-drove-driven;ride-rode-riden;eat-ate-eaten;give-gave-given;come-came-come;take-took-taken;see-saw-seen;write-wrote-written;run-ran-run;sing-sang-sung;wake-woke-woken;speak-spoke-spoken;break-broke-broken;know-knew-known;fly-flew-flown;draw-drew-drawn;swim-swam-swum;begin-began-begun;leave-left-left;keep-kept-kept;learn-learned/learnt-learned/learnt;forget-forgot-forgotten;lose-lost-lost.