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;