规则动词过去式加“ed”后的发音规则 在浊辅音和元音后面[d] calledborrowed moved[mu:vd]enjoyed welcomed answered 在清辅音后面[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 补充说明： 规则动词的过去式由“动词原形+-ed”构成，具体变化有： 1.直接在词尾加-ed。如:want—wanted,work—worked,need—needed,clean—cleaned 2.以不发音的e结尾的在词尾加-d。如：like—liked,live—lived,use—used,move—moved 3.以一个元音字母加一个辅音字母结尾的重读闭音节动词，先双写结尾的辅音字母，再加-ed。如：stop—stopped,trip—tripped 4.以辅音字母加y结尾的动词，先把y变成i，再加-ed。如：study—studied,carry—carried,hurry—hurried,marry—married 不规则动词的过去式大体上归纳有以下六条记忆法： 1.以t结尾的词，过去式与原形相同。如：put—put,let—let,cut—cut,beat—beat 2.以d结尾的词，把d变成t。如:build—built,lend—lent,send—sent,spend—spent 3.以n结尾的词，在词后加t。如：mean—meant,burn—burnt,learn—learnt 4.以ow/aw结尾的词，把ow/aw变成ew。如：blow—blew,draw—drew,know—knew,grow—grew 5.含有双写字母的词，将双写改为单写，在词尾加t。如：keep—kept,sleep—slept,feel—felt,smell—smelt 6.含有元音字母o/i的词，将o/i变成a。如：sing—sang,give—gave,sit—sat,drink—drank 本文来源：https://www.wddqw.com/doc/bd80b66bad45b307e87101f69e3143323868f562.html