(1)一般情况在动词原形后-ed
如:play--played,order--ordered,wash--washed,mind--minded,discuss--discussed,snow--snowed,agree--agreed,walk--walked,water--watered,visit--visited,stay--stayed,talk--talked,look--looked,remember--remembered,clean--cleaned,wait--waited,rain--rained,snow--snowed,cook--cooked,relax--relaxed,report--reported,enjoy--enjoyed,pass--passed,turn--turned,start--started,ask--asked,work--worked,answer--answered,thank--thanked,watch--watched,call--called,need--needed,help--helped,want--wanted,join--joined,show--showed,draw--drawed,listen--listened,
(2)以e结尾的动词只须在词尾加-d
如:decide--decided,practice--practiced,describe--described,improve--improved,like--liked,arrive--arrived,hope--hoped,live--lived,dislike--disliked,use--used,dance--danced
(3)以辅音字母加y结尾的,把y变为i再加-ed
如:cry--cried,study--studied,carry--carried,worry--worried,
(4)以重读闭音节结尾并且末尾只有一个辅音字母的,要双写这个辅音字母再加-ed
如:stop--stopped,shop-shopped,plan--planned不规则动词过去式：become--became,begin--began,bring--brought,buy--bought,can--could,come--came,do/does--did,draw--drew,drink--drank,eat--ate,feel--felt,fight--fought,find--found,forget--forgot,get--got,give--gave,go--went,grow--grew,have/has--had,hear--heard,keep--kept,know--knew,learn--learnt/learned,lie--lay/lied,let--let,lose--lost,make--made,meet--met,pay--paid,put--put,read--read,ride--rode,run--ran,say--said,see--saw,sell--sold,sing--sang,sit--sat,sleep--slept,speak--spoke,spell--spelt/spelled,spend--spent,stand--stood,swim--swam,take--took,teach--taught,tell--told,think--thought,wear--wore,write--wrote