可数不可数复合不定代词的用法总结大全讲解
可数 one, each, many, both, another, either, neither, (a) few 
不可数 much, (a) little
可数不可数 none, any, other, all, some 
复合不定代词 anyone, anybody, anything; someone, somebody, something; everyone, everybody, everything; nobody, nothing 
1．none, no one, nothing 的用法区别
1）none 既可指人，也可指物，且一定是特指概念，常用来回答how many /much 引导的疑问句；no one 只能指人，且只能是泛指概念，常用来回答who 引导的疑问句；nothing “什么也没有”，否定一切，常用来回答what 引导的疑问句。如：
— How many people are there in the room now ?
— None. 
— Who is in the room ?
— No one / nobody 

2) none 后面可加of 引导的介词短语，而something / anything / everything / nothing; someone / anyone / everyone / no one 却不能。

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2. each 和every 
1) each 强调“个体”，起代词和形容词作用；every 强调“全体”，只能作定语。Each 作同位语时，不影响谓语动词的数，不可用not each 来表示部分否定，而not every 表示部分否定。如：
The tickets each cost ten dollars.
这些票每张十美元。（each 作同位语，不能用costs）
2) every 还可表示“每……的；每……中的”，如下列说法中只能用every。
every year or two 每一两年
every now and then 时常
every other day 每隔一天
Choose one out of every ten boys. 每十个男孩中选一个。
one car to every 20 people 每20人乘一辆车
3. another, other, the other, others, the others 的用法一览表
不定代词   意义   用法说明
another   任何一个，另一个   指三者或三者以上中的任何一个，用作代词或形容词。如：
I don’t like this coat. Show me another, please.
other   另外的   只作定语，常与复数名词或不可数名词连用；但如果前面有the, this, that some, any, each, every, no, one 及my, your, his 等时，则可与单数名词连用。如：any other plant, every other day。
the other   两者中的
另一个   常与one 连用，构成：one … the other… 一个……另一个……；作定语修饰复数名词时，表示“全部其余的”
others   泛指别的
人或物   是other 的复数形式，泛指别的人或物（但不是全部），不能作定语，构成some…others…
the others   特指其余
的人或物   是the other 的复数形式，特指其余的人或物。
4． Both, all, either, any, neither, none 的用法
都   任何   都不
两者   both  either   neither
两者（以上）   all  any  none
如：
1) I had to buy all these books because I didn’t know which one was the best.
2) It is easy to do the repair. All you need is a hammer and some nails.
3) I invited Joe and Linda to dinner, but neither of them came.
4) — Which of the three ways shall take to the village ?
— Any way as you please.
5) We had three sets of the garden tools and we seemed to have no use for any.
5.one, ones, the one, the ones, that, those 
   one 用来替代前面出现的单数名词，是泛指概念相当于a/an +单数名词；ones用来替代前面出现的复数名词，有时可用that 代替（尤其在有后置定语的情况下）。The ones 用来代替前面的特指的复数名词，有时可用those代替（尤其在有后置定语的情况下）。that 用来替代前面出现的特指的单数可数名词或特指的不可数名词，相当于the +单数/不可数名词。如：
  Mr. Zhang gave me a very valuable present, one ( = a present ) that I have never seen.
  Mr. Zhang gave me many valuable presents, ones ( = many presents ) that I have never seen.
  The book on the desk is better than that / the one under the desk. 
  The books on the desk are better than those / the ones under the desk.
6.it 的用法  
用法说明   例句
1   用作人称代词，指代前面提到的事物   This is not my book. It is Mary’s.
2   用来代替指示代词this 或that   ①— What’s this ?  — It is a dictionary.
②— Whose jacket is that ?  — It is hers.
3   指人   ①— Who is knocking at the door ?  — It’s me.
②The baby no more cried as soon as it saw its mother.
4   指时间、距离、天气、环境等   ①— What’s the time now ?  — It’s ten past eight.
②It’s getting colder and colder now. 
③It’s about ten minutes’ walk from my home to the school. 
④It was very quiet at the moment.
5   指代前面整个句子的内容   Our team won the football match. Have you heard about it ?
6   表示“喜欢、恨”等心理方面的动词，后面跟上it 然后再跟从句，其从句作it 的同位语   ①I will appreciate it if you can give me a hand.
② I hate it when people talk with their mouths full. 
③ I like it in autumn when the weather is clear ad bright. 
7   （未指明但谈话双方心里都明白的）那件事、那种情况   ①How is it ( = you life, work ) going ?
②— Do you like it here ?
— Oh, yes. The air, the weather, the way of life. Everything is so nice.
8   it 还可用作形式主语、形式宾语以代替主语从句、宾语从句。
①It’s impossible to get there in time.
②I find it strange that she doesn’t want to go.