規(guī)則動詞過去式的構(gòu)成

(1)直接在動詞后加ed

如：clean—cleaned；milk—milked；play—played；

(2)以e結(jié)尾的直接加d

如：dance—danced；taste—tasted；

(3)以輔音字母加y結(jié)尾的改y為i加ed

如：study—studied；carry—carried；

(4)雙寫詞尾加ed

如：stop—stopped；jog—jogged；

不規(guī)則的有：am，is—was；are—were；do，does—did；have，has—had；go—went；meet—met；sit—sat；see—saw；get—got；tell—told；run—ran；come—came；steal—stole；read—read；