1.中间去e末尾加t,如:keep→kept, feel→felt,sleep→slept,sweep→swept 2.结尾d变t,如:build→built,lend→lent,send→sent,spend→spent
3.遇见i改为a,如:ring→rang,sit→sat, drink→drank,sing→sang,swim→swam,begin→began,give→gave
4.“骑(马)”“开(车)”“写(字)”——把i变o,如:ride→rode,drive→drove,write→wrote
5.“想”“买”“带来”“打仗”——ought换上,如:think→thought,buy→bought,bring→brought,fight→fought
6.“教书”“抓住”——aught切莫忘,如:teach→taught,carry→caught
7.ow/aw改为ew是新时尚,如:know→ knew,grow→grew,throw→threw,draw→drew
8.“放”“让”“读”过去式与原形一样,如:put→put,let→let,read→read/red |
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