am,is-was are-were become-bucame begin-began bring-brought
buy-bought catch-caught come-came do-did eat-ate feel-felt
get-got go-went run-ran say-said see-saw tade-took tell-told
1.直接在動詞后加ed,例如：look---looked.play---played.2.以字母e結(jié)尾的單詞直接加d,例如：live---lived.hope---hoped.3.以輔音加y結(jié)尾的變y為i,再加ed.例如：study---studied.4．詞尾只有一個輔音字母的重讀閉音節(jié)尾的動詞,雙寫最后一個輔音字母再加ed.例如：stop---stopped.5．不規(guī)則變化動詞．例如：do---did.沒了:p