(
课件网) Review:voices 主动形式 (Active Voice) 被动形式 (Passive Voice) 一般现在时 do/does 一般过去时 did 一般将来时 will/shall do 过去将来时 would/should do 现在进行时 am/is/are doing 过去进行时 was/were doing 现在完成时 have/has done 过去完成时 had done 情态动词 情态动词+do am/is/are done was/were done will/shall be done would be done am/is/are being done was/were being done has/have been done had been done 情态动词+be done Subject-verb Agreement Learning Objectives By the end of the class, you will be able to: 1. know the rules of subject-verb agreement; 2. use correct tenses, voices with correct forms in sentences. 主谓一致分类： 一、语法一致原则 二、意义一致原则 三、就近一致原则 Subject-verb Agreement: 主谓一致是指谓语动词在人称和数上要和主语保持一致。 主语是单数（可数名词/不可数名词），谓语动词用单数；主语是复数，谓语动词用复数。 He walks along the street. They walk along the stree. An apple is put in the bag. Several apples are put in the bag. 一、语法一致 4.当有a lot of，lots of, plenty of, most/some/many of +名词作主语时，谓语动词单复数取决于of后的名词 Lots of people _____(like) to take a walk after supper. 5.分数，百分数作主语，谓语动词取决于of后的名词 (1)Twenty percent of the students _____(be) from Japan. (2)Three fourths of the surface of the earth _____(cover) by water. 6.the number of+名词复数，谓语动词用单数 a number of +名词复数，谓语动词用复数 The number of the students in our class____(be) 64 and a number of them_____(study) hard. like are is covered is study 一、语法一致原则: 谓语动词与主语在单、复数形式上保持一致 1.可数名词单数及不可数名词作主语，谓语动词用单数 Water_____(be)essential for life. 2.不定代词作主语时(everything,anyone, somebody, nobody,either, no one, neither…)谓语动词用单数 (1).Everyone _____(be) here. (2). Somebody _____(knock) on the door now. (3).Neither of them_____ (want) to go to Beijing. 3.动词不定式、动名词、从句作主语，谓语动词用单数 (1)Reading books _____(be) good for our study. (2)To learn grammar_____ (be) not so difficult as you think. is is is knocking wants is is 1. 形式为单数，但意义为复数的集合名词people, cattle, police等作主语，谓语动词用复数; 2. news, maths, physics,politics, economics等形式上是复数，但意义上是单数作主语，谓语动词用单数; 3. 当主语是family, class,team, group, audience, crew,crowd, government等集体名词时，如果看作是一个整体，谓语用单数，如果强调其中成员，谓语用复数 1.The police _____(be) searching for the murderer. 2.Maths ____(be) the language of science. 二、意义一致 3.The class _____(consist) of 25 boys and 25 girls. 4.The class _____(be) doing experiments. are is consists are 4. the+姓氏复数，表“一家人”，谓动用复数 5.the+adj表一类人，谓动用复数 6. and连接两个名词，表示两个不同事物时谓语用复数；但and连接两个名词，表示同一事物或不可分割的整体时，谓动用单数 7. 表示时间、金钱、距离、重量、数量等名词作主语； 1.The Blacks _____(enjoy)living in China. 2.The rich_____(be) not always happy. 二、意义一致 3.Steam and ice ____(b ... ...
