在英文中，将这些表示“许多，很多”的词组按其用法归类： 一、 只能修饰名词复数形式 many、 a great/good many 、 a great/large number of 、 scores of、dozens of 和 quite a few ,这类“许多”修饰作主语的名词时，谓语动词用 复数 eg I’m quite bus
y; I have many things to do. There are a great/good many English books in our school library. A great number of my friends have been to the Great Wall. Scores/Dozens of people were killed in the accident. (许多人在这次事故中丧生） I have made quit a few good friends, too.
温馨提示： 1）many 作代词，表示“许多人，许多”的意思 eg Many of them have watched the TV play.
2) a great/good many 做代词，表示“许多人（东西）” eg A great many of us like American English better than British English.(我们中的许多人喜欢美语胜过英国英 语）
3）the number of + n （可数名词复数）表示 “....的数目”, 用它做主语时，谓语 用单数。 eg The number of the students in our class is 55.
二、 只能修饰不可数名词的“许多” much、 a great / good deal of 和 a large amount of ，这类“许多”修饰主语名词时候，谓语用单数。 eg I don’t know they gave us much help.
There is a great/good deal of snow on the ground. (地上有许多雪） I spend a large amount of money on books every month. （我每月要花很多钱买书）
温馨提示： 1）much 单用，做名词表示“许多，大量” eg Much has been said about it .(关于这 种事已经说的很多了） 2）a great deal 做名词词组和副词词组，也表示“大量，许多”/ 还可以修饰比较 级，表示程度。 eg At the end of the year there was a great deal to do .(年底有很多事情做） eg They talked a great deal about the problem.(他们对这个问题谈论了许多） eg He is a great deal better today. （他今天好多了）（修饰比较级，表示程度）
三、既可以修饰可数名词复数，又可以修饰不可数名词 a lot of 、lots of 、plenty of 、supplies of , a great quantity of 、great/large quantities of eg He has got a lot/lots of questions to ask. A lot of / lots of work is to be done this week. There are plenty of books on the shelf. I have plenty of time to do it Supplies of trees were washed away. We have had a large quantity of /large quantities of rain this summer. Large quantities of fish have been caught recently. (最近捕了大量的鱼）
温馨提示： 1）a lot 名词词组表示“大量，很多”/做副词词组表示“很多，非常，相当”/做程度 状语修饰比较级。
eg I have a lot to do today. (很多事 名词） eg He helped me a lot.（副词 很多） eg I like this picture quite a lot. (副词 非常） eg I’m feeling a lot better now. (程度状语修饰比较级） 我现在感觉好多了
2）large quantities of + 不可数名词/可数名词复数 ，谓语用复数 eg Large quantities of water are needed every day. (修饰不可数 n） There are quantities of flowers in garden.（修饰可数 n 复数）
四、many a /an + 单数可数名词 也表示许多，这个短语作主语时谓语用单数 eg Many a girl in our class has learned to swim. Many a book was translated into English. (许多书被翻译为英语）
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