Agreement between subject and verb主谓一致主要有以下三个原则：1、语法一致原则（5种情况）2、意义一致原则（10种情况） 3、就近原则语法一致原则1and连接不同的人或事时作主语时,谓语动词用复数；但如果连接的名词指的是同一人或物, 或同一概念时, 谓语要用单数。 The singer and dancer_ going to give us a performance. The knife and fork _on the table. 2. 不定式, 动词ing形式或主语从句作主语时,谓语动词用单数。What he is doing seems very important. Collecting stamps is his hobby. 3. 定语从句的关系代词who, which, that在从句中作主语时，要与先行词的人称和数保持一致。 Those who enjoy singing may join us.
