第一单元grammer.ppt

Subject---Verb Agreement (主谓一致) 主谓一致指主语和谓语动词之间在“人称”和“数”方面的一致关系，即：　 1) 语法形式上要一致，即单复数形式与谓语要一致；　　2) 意义上要一致，即主语意义上的单复数要与谓语的单复数形式一致；　　 即主语是单数形式，谓语动词用单数形式，主语是复数形式，谓语也用复数形式。 Tom is very clever . Two girls were standing on the corner.There is no milk in the bottle. 语法一致 The worker and writer ____ (be) from Wuhan. The worker and the writer _____ (be) from Beijing. is are 1. 当主语由and连结时，如果表示同一人或同一物时，谓语动词用单数，此时and后面的名词无冠词。 如 表示不同的人或物时, 谓语动词用复数，此时and后面的名词有冠词。 The singer and dancer _____ on the stage. is Going out for a walk after supper is a good habit. 晚饭后出去散步是一个好习惯。 To see is to believe. 眼见为实。 Whether we’ll go depends on the weather. 我们是否去要取决于天气的好坏。 2. 动词不定式(短语)、动名词(短语)或从句作主语时, 谓语动词常用单数。 Something ____ (has / have) gone wrong with my watch. Anybody who _______ ( break / breaks) the rule will be punished. 3.不定代词somebody, someone, something, anybody, anything, everybody, everyone, everything, nobody, no one, nothing等作主语， 谓语动词用单数形式。 has breaks Two pictures ______ on the wall, which attract many people. On the wall _____ two pictures, which attract many people. Their teacher ______ among the students, who is in her thirties. Among the students _____ their teacher, who is in her thirties. 4. 倒装句中的语法一致 are are stands stands 5、由分数或百分数+名词作主语时，谓语动词的形式与of 后面的名词的数一致，即分数或百分数+of+不可数名词或单数名词，谓语动词用单数分数或百分数+of+复数名词，谓语动词用复数。 Ten percent of the pupils _____ absent today. Three-fourths of the surface of the earth ____ sea. are is 6. population 做主语时，如指全部人口，谓语动词用单数；如指部分人口，谓语动词用复数 eg : The population of China __is__ very large and 80% of the population __are__ farmers. 意义一致 1.由集体名词,如group, family, class, government, team, public, enemy, crowd, audience, club, party, crew等作主语时,如果看成一个整体，谓语动词用单数形式,如果看成其中各成员，则用复数形式。 His family is very large.　 他家是一个大家庭。 His family are music lovers.　 他的家人都是音乐爱好者。 1). 不定代词each, another, the other, either, neither作主语时,谓语动词用单数形式。如: 　Neither of us has gone through regular training. none 作主语时,谓语动词既可用单数也可用复数,这要取决于说话人的看法。如: 　Non