语法知识探究 (4)主谓一致 句子的主语有单复数及人称的变化,其谓语动词需要根据主语的人称和数的不同而有所变化
即:谓语动词与其主语在人称和数上必须保持一致
主语的人称,特别是主语的数是决定谓语形式的关键
除第一人称 I 和第二人称 you 之外,单数主语之后的谓语动词用单数形式;复数主语之后的谓语动词用复数形式
在历届高考中考点分布:1 .用 and 连接两个并列成分;2 .介词 with 伴随主语;3 .就近原则;4 .各种代词的主谓一致; 5 .短语和从句作主语;6 .定语从句中的主谓一致
一、名词作主语的数的问题1 .在下列情况下,名词作主语时谓语动词用单数:(1) 可数名词单数;不可数名词;表示量的词当整体概念
(2) 表示时间、距离、金钱、度量、容量、书名等整体概念的名词作主语时
Twenty years represents a long period of her life
(3)the number of +复数名词作主语时
The number of the students who took part in the competition was 500 , but only a small number of them were chosen
(4) 集合名词当整体概念讲时
His family is going to move
(5) 动名词 ( 短语 ) 、不定式、从句作主语时
Collecting newspapers and clocks is what I enjoy most
2 .在下列情况下,名词作主语时,谓语动词用复数:复数名词作主语;集合名词表示个体时
At last ten people were killed in the cash
Her family are waiting for him
二、分数 / 不定量词作主语时