was和第一第三人称单数主语一起用,其他主语都和were一起用,如: He was ill.I was ill.They were ill. 在将来时中主要是用shall或will,不需加词尾,如: They(or John and Mary) will come,shall come. He(or It) will come,shall come. 判断主语的人称不难,但判断它的数...