動(dòng)詞加ed的規(guī)則
（1）一般情況下,動(dòng)詞詞尾加ed,如：worked played wanted acted
（2）以不發(fā)音的e結(jié)尾動(dòng)詞,動(dòng)詞詞尾加d,如：lived moved decided declined hoped judged raised wiped
（3）以輔音字母+y結(jié)尾的動(dòng)詞,把y變?yōu)閕再加ed,如：studied tried copied justified cried carried embodied emptied
（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,如：stopped begged fretted dragged dropped planned dotted dripped