Grammar 英语中的谓语动词在人称和数方面必须和主语保持一! He is standing over there, reading an English novel. The police have found out who the murderer is. 谓语动词必须和主语保持人称和数的一致,这是一个总 原则,运用时还要掌握一些具体的规则
1.有“break”的动词短语 break down: a.(机器或车辆)出故障;坏掉e. the telephone system has broken down.电话系统瘫痪 了。b.失败e.g. . Negotiations between the two sides have broken down.双方谈判失败 了