一、規(guī)則變化
1、 一般情況下,動詞詞尾加-ed, 如:work—worked play—played want—wanted ask—asked
2、 以不發(fā)音的-e結(jié)尾動詞,動詞詞尾加-d, 如:live—lived move—moved taste—tasted
3、 以“輔音字母+y”結(jié)尾的動詞,把y改成i, 加—ed, 如:study—studies try—tried copy—copied carry—carried
4、 重讀閉音節(jié)動詞,雙寫詞尾輔音字母,再加—ed, 如:stop—stopped
二、不規(guī)則變化
is am—was are—were do—did have has—had go—went meet—met come—came take—took steal—stole eat—ate fly—fliew run—ran see—saw say—said make—made find—found stand—stood
sit—sat sing—sang drink—drank give—gave ring—rang swim—swam
write—wrote ride—rode drive—drove
draw—drew grow—grew know—knew
get—got forget—forgot
sweep—swept keep—kept sleep—slept
speak—spoke break—broke
tell—told sell—sold
buy—bought think—thought catch—caught teach—taught build—built
can—could shall—should will—would
過去式與動詞原形一樣:let—let must—must put—put read—read