一.写出下列动词的过去式和过去分词 walk walked walkedask asked askedboil boiled boiledturn turned turnedwash washed washedempty emptied emptiedopen opened openedpaint painted paintedtype typed typedair aired airedsharpen sharpened sharpenedhave had hadclean cleaned cleanedlisten listened listenedanswer answered answered
empty的过去式是什么？ emptied 辅音字母加y结尾的改y为i 加ed
pack和empty的过去式和过去分词 PACK 过去式和过去分词都是 PACKEDEMPTY 做动词时，过去时，和过去分词是 EMPTIED望采纳
