(1)直接在動(dòng)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；