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1、数词作主语时主谓一致的特殊情况 主谓语的一致关系通常遵循三个原则，即语法一致的原则，概念一致和就近一致。关于数词（包括表示数量的其他词）或带有数词的词组作主语时，如何应用上述三原则，各类语法书均有说明，这里只谈谈一些特殊情况。一基数词+名词当基数词加名词表示时间，距离，价值或其他度量时，通常把它作为整体。谓语动词遵循概念一致原则用单数。但是，有时也可看作多个个体，谓语动词根据语法一致原则用复数。例如：1）The past four weeks have been the driest in the countrys history.2）There were three quarts of mi
2、ld in the refrigerator.二One and a half+名词复数英语“一个半”可以写成“one and a half+名词复数”或“a+名词单数+and a half”. 两种形式中名词的数虽然不同，但谓语动词通常都是用单数。例如：1）One and a half months has escaped.2）A month and a half has elapsed since our last meeting.三One in, one out of , one of 等引导的词组英语“若干分之一”常可写成“One in+数词”，“one out of+数词”或“one
3、of+数词”，作主语时谓语动词一般用单数。例如：1）The survey report says that one out of twenty machines is in need of repair.2）Only one out of five is in operation.但是，在非正式文体中，也有用复数的，因为说话人所指实际上是不止one.例如：3）It is estimated that every one in eleven men over sixty suffer from heart failure. 四数字式子用文字表达数字式子时，谓语动词通常用单数。但是当“加”用and
4、 , “乘”用times表达时，谓语动词也可用复数。例如：1）Two and two makes four.2）Ten times six are sixty.又当用“基数词+基数词复数”的形式表达两数相乘时，位于动词遵循语法一致原则用复数。例如：3）Five fours are twenty.五表示不定数量的词语1. many aMany a 虽然作“许多”解，但它后面的名词习惯上用单数。谓语动词也遵循语法一致原则用单数。例如：1）Many a boy learns to swim before he can read.2）Many a ship has been wrecked on th
5、ose rocks.甚至当主语是两个由and连接的单数名词时，谓语动词仍用单数。例如：3）Many a man and woman comes and goes.2. more than onemore than one 从概念上看似乎是复数，但它后面习惯上用单数名词，谓语动词遵循语法一致原则用单数。例如：1）There is more than one answer to the last question.2）More than one example is necessary to make the students understand this rule clearly.如果more
6、 than one后面不跟名词，则当重音在more上时，谓语动词用复数；当重音在one上时，谓语动词用单数。这一点在口语中体现。但是，当名词不在one之后，而在more之后时（即more+名词复数+than one），名词用复数，谓语动词遵循语法一致原则也要用复数。例如：3）More persons than one have been executed by the firing squad.六One or two+名词复数一般遵循就近原则，谓语动词用复数。例如：1）One or two examples have to be given.2）There are one or two things Id like to know about.
