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【考点直击】 1. 语法一致的原则 2. 意义一致的原则 3. 邻近一致的原则 【名师点睛】 谓语受主语支配，须和主语在人称和数上保持一致，这叫做主谓一致。主谓 一致一般遵循三条原则：语法一致原则，意义一致原则和就近一致原则。1.语法一致的原则（1）以单数名词或代词，动词不定式短语作主语时，谓语动词要用单数;主语为复数时，谓语用复数，例如： He goes to school early every morning. The children are playing outside. To work hard is necessary for a student. （2）由and或both……and连接的并列成分作主语时，谓语动词用复数。例如： Both he and I are right. Mr Black and Mrs Black have a son called Tom. 但并列主语如果指的是同一人，同一事物或同一概念，谓语动词用单数。例如： His teacher and friend is a beautiful girl. The poet and writer has come. | 
