动词过去式变换法则和例子

动词过去式变换法则和例子

一、规则变化
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—studies try—tried copy—copied carry—carried
4、 重读闭音节动词，双写词尾辅音字母，再加—ed, 如：stop—stopped
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—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
过去式与动词原形一样：let—let must—must put—put read—read
三、动词过去式构成读音
1、 清辅音后读清辅音[t] （清读清） 如：jump like
2、 浊辅音后读浊辅音[d] （浊读浊） 如：listen pull
3、 元音后面读浊辅音[d] （元音后面读浊音） 如：water play
4、 [t][d]后面读[id] want need