语法形式上要一致,即单复数形式与谓语要一致.
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。
就近原则,即谓语动词的单复形式取决于最靠近它的词语。一般来说,不可数名词用动词单数,可数名词复数用动词复数。
例如:There is much water i the thermos.
但当不可数名词前有表示数量的复数名词时,谓语动词用复数形式。
例如:Te thousand tons of coal were produced last year.
1.主谓一致中的靠近原则
2.谓语动词与前面的主语一致
3.指代意义决定谓语的单复数
4.与后接名词或代词保持一致
5.谓语需要用单数
6.特殊词
主谓一致中的靠近原则
1)如果句子是由here, there引导,而主语又不止一个时,谓语通常也和最邻近的主语一致。
Here is a pe , a few envelops and some paper for you.
There is a pe , a knife and several books o the desk.
There are twenty boy-students and twenty-three girl-students i the class.
2)当either… or… ;neither… nor; not only … but also连接两个主语时,谓语动词与最邻近的主语保持一致。例如:
Either you or she is to go. 不是你去,就是她去。
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Neither you, nor I, nor anyone knows the answer.
Not only you but also he is to blame for the accident.