Subject---Verb Agreement主谓一致 “ “ 一致”是指句子成分之间或词语一致”是指句子成分之间或词语之间在性、数等方面应保持一致。之间在性、数等方面应保持一致。 “ “ 主谓一致”是指谓语动词与主语主谓一致”是指谓语动词与主语必须在人称、性、数上保持一致，即主必须在人称、性、数上保持一致，即主语是复数，谓语也用复数形式，如语是复数，谓语也用复数形式，如 are, are, were, havewere, have 等，主语是单数， 等，主语是单数， 谓语要用单数形式，如：谓语要用单数形式，如： is, wis, was, has, worksas, has, works 等。等。 学习主谓一致所应注意的原则 英语中，主语的单复数形式决定着谓语动词的单复数形式。主谓一致需遵循以下三条原则：语法一致原则、意义一致原则、就近一致原则。一 . 谓语的动词要与主语的人称和数一致。The boy _____ diving.They _____ diving.isareThe students of Class One_____not wrongareA young man and a girl want to go there. The singer and the writer are famous to many young people. 二 . 由 and 连接的两个单数名词做主语时，谓动一般用复数。Both Jack and Tim _____ diving.are1). 但如果意义上指同一个人、同一件事或同一概念时，谓动要用单数。The singer and writer isis famous to everyone.A pen and book is what I need.A needle( 针） and thread( 线）was found on the floor.2). 当 each…and each…, every…and every…, no…and no…, many a…and many a…. 等结构做主语时，谓语动词用单数形式。① No man and no animal is to be found on the moon. 在月球上没有发现人和动物。② Many a doctor and many a nurse is busy with their work. 许多医生和护士都在忙于他们的工作。3). 一个单数名词同时被两个不同的形容词修饰，表示两个不同的概念时，谓动应用复数。Ancient( 古代） and modern history are the subjects we are studying.但如果表示的是同一概念时，谓动应用单数。The last and most difficult lesson is lesson14.三、集体名词做主语时的主谓一致1). 有生命的词，如 cattle, police, people 等做主语时，谓动常用复数。The police are investigating the crime.The cattle are...
