一般过去时所有不规则变化单词1、中间去e末尾加t,如:keep→kept,feel→felt,sleep→slept,sweep→swept2、结尾d变t,如:build→built,lend→lent,send→sent,spend→spent3、遇见i改为a,如:ring→rang,sit→sat,drink→drank,sing→sang,swim→swam,begin→began,give→gave4、“骑(马)”“开(车)”“写(字)”——把i变o如:ride→rode,drive→drove,write→wrote5、“想”“买”“带来”“打仗”——ought换上,如:think→thought,buy→bought,bring→brought,fight→fought6、“教书”“抓住”——aught切莫忘,如:teach→taught,carry→caught7、ow/aw改为ew是新时尚,如:know→knew,grow→grew,throw→threw,draw→drew8、“放”“让”“读”过去式与原形一个样,如:put→put,let→let,read→read/red/