不定代词：不指明代替任何特定名词或形容词的代词叫做不定代词。常见的有：
some， somebody， someone， something， any， anybody，anyone， anything， no， nobody， no one， nothing， all， both， neither， none， either，each， every， everybody， everyone， everything， other， another， much， many， few， a few， little， a little，one等等。
不定代词的功能：
1、 做主语：
Is everybody here？
All is well and ends well.
Nobody else said anything.
2、 做宾语：
I know a little about the novel.
I am speaking for myself， not for others.
Here are two books，you can take either of them.
3、 做表语：
That’s all for today.
It’s too much.
I’m not somebody， I’m nobody.
4、 做定语：
Each book on the shelf is worth reading。
Let me have another cup of tea.
Many people attended the meeting.
5、 做状语：（部分代词）
The film lasted some two hours.
Ts she any better today？
They will come back a little later.
all， ever， each
each，可以指小到两个，all、every 则至少指三个。
all 表所有项目的总和，是一个不可分割的整体。
eg：All the students contributed to the fund.
every 是由各个项目集合而成一个整体，其构成成分有共性。
eg：every child in the class passed the exam.
each 的注意力集中在个别项目上，其构成成分各具特性。
eg：I asked all the children，each told a different story.
注意： 修饰单数可数名词包括集体名词，一般用the whole.
eg：The whole pie was eaten.
The whole class was invited to the party.
some， any
any和some 皆表示不定量，都可接可数和不可数名词。any 多用于疑问句、否定句，有时也用于肯定句；some多用于肯定句，偶尔也用于疑问句。
any
、Are there any stamps in the drawer？
2、He did not make any mistakes in his spelling.
3、He came without any money。
4、She kissed her brother，but was afraid to ask any questions
.
5、We had no idea that any serious losses had been inflicted on the company.
some
Some people are early risers.
The mother is doing some washing now.
I read about it in some book.
Are there some stamps in the drawer？（说话人知道，只是想证实而已）
I do not like some of them.（部分）
Would you like some beer？
everybody， everyone， one
everybody/everyone和every 一样，都含有“各个”的意思，但前者多指所有的人；后者多指说话人所熟悉的人。
everybody/everyone
eg：
Everybody’s business is nobody’s business.
In here everyone is a comrade.
one：泛指人时相当于you，we等。
One does not like to have one’s word doubted.（美语中，常用his 代替 one’s）
no one ，none
no one 仅指人，none 可以指人也可指物。no one = nobody
eg：No one failed the exam.
No one come to see me.
none：
None of the students failed the exam.
None but the lonely heart can know my sorrow heart.
both，two
强调两个人或物时（不止是一个），才用both。
eg：
There were two dogs on the porch. Both were fast asleep.
The two of them were invited.
Notice will be sent to the two of you.
other，another
other常与复形名词以及单形不可数单词连用分别表示复念和零念。当前面加上“the， this， that， some， any， each， every， no， none， one， or ”以及形容词性物主代词时，表示单念。
eg：
Jones is here，but where are the other boys？
Moral beauty ought to be ranked above all other beauty.
Each member must bring on other person.
She only comes every other day.
I read it in some book or other.
Any other person than her husband would have lost patience with her.
other 有复数形式：others
We should not think only of our own children， there are others to cared for also.
The search party was divided into two groups. some went to the right， others went to the left.
another：表示单念，可数，做定语时后接单形名词或代词one.
Do not say another word.
Where can we find another like her？
This pen does not work i must buy another.
Tell them I am not very well. I will go and see them another day.
注意：another day 指未来，the other day指过去。
很全的，希望对你有帮助。
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