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主谓一致指谓语动词必须与主语在“人称”和“数”方面保持一致，这又称之为“主动一致（Subject—verb concord）”. 主谓一致一般应遵循三项原则即：语法形式一致原则；语言意义一致原则；就近原则，但如果这样分类对中学生理解并掌握其用法来说却有很大难度。所以本文从谓语动词只能用单数；谓语动词只能用复数；谓语动词可用单数也可用复数；谓语动词的单复数视情况而定，四种情况分类说明，以期帮助中学生能轻松掌握主谓一致。
一、 谓语动词只能用单数
1． 代词 each , another , the other , either , someone , somebody , everyone, everybody, anyone, anybody , something , anything , nothing , no one 等作主语时，谓语动词要用第三人称单数形式。
There are five students and each comes from Guangyuan.
Take one of the books on the table --- Either is ok.
Tom has two dictionaries . One is E-C dictionary; the other is C-E dictionary.
Someone knows the fact.
2. “Each 或 Every + 单数可数名词” 作主语时，谓语动词用单数形式。
Each(Every) student has an English Chinese dictionary.
3. 非谓语动词（动名词，不定式）作主语时，谓语动词用单数。
To learn English well is very easy.
Seeing is believing.
4. “名词性从句及疑问代词/副词 + 不定式” 作主语，谓语动词用单数。
When and where we will hold the meeting is unknown.
How to work out the problem is very easy.
5. “One and a half + 复数名词” 作主语时，谓语动词用单数。
One and a half years has passed.
One and a half apples is on the desk.
6. “More than one + 单数名词” 或 “many a + 单数名词” 作主语，尽管意义上表“不止一个，许多”，但其谓语动词都应用单数形式。
More than one student has cell phone.
Many a boy likes playing basketball.
7. 数词作主语，谓语动词用单数。
Nine is an odd number.
8. Maths , Mathematics, Physics, Politics, News ,Works(工厂)等名词作主语，谓语动词用单数。
Physics is interesting to learn.
This news is the latest.
9. 国名，书刊，作品的名称作主语，谓语动词用单数。
The United Nations was formed in 1945.
“Tea House ” is very interesting.
10. 表“金钱，时间，距离，重量”等名词作主语，谓语动词用单数。
Ten years is not long .
1000 yuan is yours.
11. “The number of + 复数名词” 作主语，谓语动词用单数。
The number of the students in class 4 is 77.
12. And 连接两个并列名词作主语，指同一个人或同一件物或同一概念时(此时一般and 后连接的名词前没有修饰词)，谓语动词用单数；and 连接若干个被 no , each , every, many a 修饰的单数名词作主语时，谓语动词用单数。
The director and actor has come here.
No worker and no boss is allowed to enter the lab.
13. “None of + 不可数名词” 作主语，谓语动词用单数。
None of the food was wasted.
二、 谓语动词只能用复数
1. “One of + 代词/复数名词” 后跟有定语从句时，从句的谓语动词用复数形式，但如果是“the one / the only one of + 代词/复数名词”后跟有定语从句时，从句的谓语动词则用单数。
John is one of the students who have passed the test.
John is the only one of the students who has passed the test.
2. And 连接两个或两个以上的并列名词或代词作主语时，谓语动词用复数。
He and his brother are both teachers.
3. Both ,all ,few , several, many 等修饰可数名词复数作主语时，谓语动词用复数形式
All his friends have come.
Many girls are found of dance.
4. 表总称意义的名词，如：people, cattle , clothes, police 等作主语时，谓语动词用复数。 |
