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.