一、規(guī)則動(dòng)詞過去式的變化

1.一般情況下，動(dòng)詞詞尾加-ed。e.g.work-worked play-played want-wanted act-acted

2.以不發(fā)音的e結(jié)尾動(dòng)詞，動(dòng)詞詞尾加-d。e.g.live-lived move-moved taste-tasted hope-hoped

3.以輔音字母+y結(jié)尾的動(dòng)詞，把y變?yōu)閕，再加-ed。e.g.study-studied copy-copied cry-cried

4.以一個(gè)輔音字母結(jié)尾的重讀閉音節(jié)動(dòng)詞，雙寫詞尾輔音字母，再加-ed。e.g.stop-stopped

二、規(guī)則動(dòng)詞過去式的發(fā)音

1.動(dòng)詞原形以輔音/t/或/d/結(jié)尾時(shí)，ed發(fā)/id/音。e.g.want→wanted need→needed

2.動(dòng)詞原形是以清輔音/p//k//f//t?//?/結(jié)尾時(shí)，ed發(fā)/t/。e.g.help→helped laugh→laughed look→looked kiss→kissed wash→washed watch→watched

3.動(dòng)詞原形是以元音或濁輔音/l//v//n//z/結(jié)尾時(shí)，ed發(fā)/d/音。e.g.call→called stay→stayed cry→cried