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课件网) Subject-Verb Agreement Unit 9 Grammar To study and understand the subject-verb agreement rules in sentences Learning objectives She lives in China. More people live in Asia than in any other continent. a singular subject a singular verb a plural subject a plural verb If a sentence has a singular subject it is followed by a singular verb, and if it has a plural subject it is followed by a plural verb; that is, the verb agrees with the subject. Look at the two sentences. Mr Green, together with his wife and children, has come to China. Thirty minutes is enough for the work. There is a desk and two chairs in the room. (There are two chairs and a desk in the room.) Neither they nor he is wholly right. How does the verb agree with the noun Circle the subjects of the sentences in the Sentence Builder. Then use the correct form of the verbs to complete the sentences. Subject-Verb Agreement Retelling events _____ (help) fix experiences in our memories. There _____ (be) some people who do have amazing memories. They _____ (be) both good at remembering particular things for a limited time. One of the golden rules to increase how much we remember _____ (be) to review the material periodically. helps are are is 主谓一致 主谓一致的原则 主谓一致是指主语和谓语在人称和数上保持一致。 1. 语法一致原则: 主语和谓语在人称和数上一致。主语是单数形式, 谓语动词也采用单数形式; 主语是复数形式, 谓语动词也采用复数形式。 2. 意义一致原则: 谓语的单复数取决于主语的意义。当主语形式上为单数，但意义上却是复数时，谓语根据意义用复数形式；当主语形式上为复数，但意义上却是单数时，谓语根据意义用单数形式。 3. 就近一致原则: 谓语动词的形式与邻近的主语在人称和数上一致, 即谓语动词的单、复数形式取决于最靠近它的主语的单、复数形式。 主谓一致的具体应用 1. 名词作主语 (1) 集体名词作主语，如果表示整体概念，谓语动词用单数形式;如果强调个体，谓语动词用复数形式。常见的这类名词有army, audience, class, family, team, crowd, staff, government, enemy, committee等。有些集体名词如cattle, people, police等,通常看作复数，谓语动词必须用复数形式。如： The audience was / were clearly delighted with the performance. The police are also looking for a second car. (2) 单复数同形的名词作主语时，应根据其意义来决定谓语动词的形式。如： The only means of communication I could use was sign language. Various means have been employed to ensure the stability of these roadways. (3) 表示单数概念的复形名词（如学科、机构、书名、剧名、国名等）作主语时，谓语动词通常用单数形式。如： Today, physics is a broad and highly developed subject. (4) trousers, shoes, chopsticks, sunglasses等名词作主语时，谓语 动词通常用复数形式；但如果其前有a pair of, a kind of等时，谓语动词一般用单数形式。如： Sunglasses are / A pair of sunglasses is a necessity whether you're camping, climbing or cycling. (5) 当名词短语的中心词为表示距离、金额、时间等的复数名词时，往往把这些复数名词看作一个整体，谓语动词用单数形式。如： I believe twenty pounds is enough to buy a present. (6)“more than one / many ... ...
