主谓一致指谓语动词在人称和数上与主语保持一致，是初中英语语法的重点。
要点讲解
- 语法一致：单数主语谓语用单数，复数主语谓语用复数：The boy is playing. / The boys are playing.
- 意义一致：集合名词 family, class, team 作整体用单数、指成员用复数：My family is big.（整体）/ My family are watching TV.（成员）
- 就近原则：either...or, neither...nor, not only...but also, there be 句型：Either you or he is wrong. 要么你错要么他错。
- a number of + 复数名词（谓语复数，许多）；the number of + 复数名词（谓语单数，……的数量）。
- 不定代词作主语谓语用单数：Everyone is here. / Something is wrong.
- 动名词、不定式作主语谓语用单数：Reading is fun. 阅读很有趣。
- 时间、距离、金钱、重量作整体用单数：Two hours is enough. 两个小时够了。
- each/every + 单数名词作主语，谓语单数：Every student has a book.
- both...and... 谓语用复数：Both Tom and Jim are students.
- 分数/百分数 + of + 名词：谓语与 of 后名词一致：Two thirds of the work is done.
经典例句
- Neither of the answers is right.
两个答案都不对。 - There is a book, two pens and a ruler on the desk.
桌子上有一本书、两支钢笔和一把尺子。 - The number of the students in our school is 2000.
我们学校的学生数是2000人。
易错提醒
- 三个原则：语法一致、意义一致、就近原则；就近原则记住三组词：either...or、neither...nor、not only...but also。