在濁輔音和元音后面 [d]
called borrowed
moved[mu:vd] enjoyed
welcomed
answered
在清輔音后面 [t]
asked
finished
helped[helpt]
passed[pa:st]
reached
在[t]音后面 [id]
wanted['wCntid] started['sta:tid]
[d]音后面[id]
needed['ni:did] counted['kauntid]0
補充說明：
規(guī)則動詞的過去式由“動詞原形+-ed”構(gòu)成,具體變化有：
1.直接在詞尾加-ed.如:want—wanted,work—worked,need—needed,clean—cleaned
2.以不發(fā)音的e結(jié)尾的在詞尾加-d.如：like—liked,live—lived,use—used,move—moved
3.以一個元音字母加一個輔音字母結(jié)尾的重讀閉音節(jié)動詞,先雙寫結(jié)尾的輔音字母,再加-ed.如：stop—stopped,trip—tripped
4.以輔音字母加y結(jié)尾的動詞,先把y變成i,再加-ed.如：study—studied,carry—carried,hurry—hurried,marry—married