动词过去式规则

1、 一般情况下，动词词尾加-ed,

如：work—worked play—played want—wanted ask—asked 2、 以不发音的-e结尾动词，动词词尾加-d, 如：live—lived move—moved taste—tasted

3、 以“辅音字母+y”结尾的动词，把y改成i, 加—ed,

如：study—studied try—tried copy—copied carry—carried

4、 单词从后往前数，辅元辅的拼写规律，需要双写尾字母，再加—ed, 如：stop—stopped 元音：a e i o u 辅音：b c d f g h j k l m n p q r s t v w x z 半元音：y 二）、不规则变化

is/am—was, are—were, do—did, have/has—had, go—went, meet—met, come—came, take—took, steal—stole, eat—ate, fly—flew, 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, leave—left, bring—brought, feel—felt, feed—fed,

过去式与动词原形一样：let—let cut—cut put—put read—read hurt-hurt