eg：The Smiths/Young are watching the TV.表示史密斯一家人或是一群年轻人正在看电视.The water is boiling.表示水烧开时正在沸腾,水就是抽象的事物The false sometimes seems more powerful than the truth.那seem为什么要加s。false好像是抽象的吧，不应该用单数形式么Yes, you are right. 所以seem作为谓语动词，要变单三嘛~~后面加了S