不定代词不指明代替任何特定名词或形容词的代词，在句中可作主语、表语、宾语和定语。
Ⅰ.不定代词包括：all , both, every, each, either, neither, more,(a) little, (a) few, much, many, another, other, some, any , one以及some, something, anything, everything, somebody, someone, anybody, anyone, nothing , nobody,no one, none, everybody, everyone.等。
一般来讲，修饰不定代词的词要置于其后。
Ⅱ,不定代词用法为：不定代词+（of + 限定词）+ 名词注意：of 后一定要有限定词both, all可以直接接限定词theⅢ.几组常用不定代词的区别：1.代词比较one，that 和itone表示泛指，指名称相同的另一物，或所提到的人或物中的一个。
that和it 表示特指。
that 与所指名词为同类，但不是同一个，而it 与所指名词为同一个。
I can't find my hat. I think I must buy one.The hat you bought is bigger than that I bought.I can't find my hat. I don' t know where I put it.2. some与any的区别1）some多用于肯定句，表示“一些，几个”作形容词时，后面可以接①不可数名词+单数动词；②可数名词+复数动词。
Look! Some of the students are cleaning the library.Some rice in the bag has been sold out.2）any多用于疑问句、条件句和否定句中，表示“一些，任何”用作形容词时，后面可以接①不可数名词+单数动词；②可数名词+复数动词。
Have you got any tea?If you have any questions, please ask me.There isn't any orange in the bottle.3）any和some也可以作代词用，表示“一些”。
any多用于疑问句或否定句中，some多用于肯定句中。
---How many people can you see in the picture?---I can't see any.If you have no money, I'll lend you some.注意：与some, any结合的词如something, somebody, someone, anything, anyone, anybody在肯定句、否定句、疑问句、条件句中的用法，大致和some, any的用法相同。
注意：something, everything, nothing, anything, somebody, everybody, nobody（=no one）, a nybody，none3. few, a few, little, a little在用法上的区别1) (a) few + 可数名词, (a) little + 不可数名词2) a few / a little 为肯定含义，还有一点3) few / little为否定含义，没有多少了。
He has a few friends.他有几个朋友。
He has few friends.他几乎没有朋友。
We still have a little time. 我们还有点时间。
There is little time left.几乎没剩下什么时间了。
4) 固定搭配:only a few (=few)not a few (=many)quite a few (=many)many a (=many)Many books were sold.Many a book was sold.5）a little和little也可以用作副词，a little表示“有点，稍微”，little表示“很少”。
I'm a little hungry. (修饰形容词hungry)Let him sleep a little. (修饰动词sleep)Mary, go a little faster, please. (修饰副词比较级)She slept very little last night.4. other, the other, another, others, the others的区别。
的”。
Where are his other books?I haven't any other books except this one.2）other也可以用作代词，与冠词the连用构成“the other”，表示两个人或物中的“另一个”。
常与one搭配构成“one ..., the other ...”句型。
He has two brothers. One is 10 years old , the other is 5 years old.She held a ruler in one hand and an exercise-book in the other.3）other作代词用时，可以有复数“others”，泛指“另外的人或物”。
常与some搭配构成“some ...., others ...”句型。
Some went to the cinema, others went swimming.This coat is too large. Show me some others, please.4）“the others”表示特指某范围内的“其他的人或物”。
We got home by 4 o'clock, but the others didn't get back until 8 o'clock.In our class only Tom is English, the others are Chinese.5）another可以作形容词用，修饰后面的名词，意为“另一个”，还可以跟代词one.You can see another ship in the sea, can't you?Mary doesn't want to buy this skirt. Would you please show her another one?8）作形式宾语。
如：Do you think it necessary to learn to wait in line?9)引导强调句型“It is /was + 被强调部分+ that / who + 其他成分”。
如：It was yesterday that we went to see a film.巩固练习：Ⅰ. Choose the best answer( ) 1. This is a very old song, so ______ young people know it.A: few B: little c: a few D: a little( ) 2. The two fishermen saw ______ in the sky while they were fishing by a river.A: something strange B: anything strange C: strange something D: strange anything ( ) 3. There aren’t many oranges here, but you can take ______ if you want to.A: few B: a few C: a little D: little( ) 4. There are twenty teachers in this grade. Eight of them are women teachers and ______ are men teachers.A: the other B: the others C: others D: other( ) 5. My sports shoes are too small. I want to buy ______ pair.A: the others B: the other C: other D: another( ) 6. I didn’t like the cross talk. ______ of the actors was funny.A: Both B: All C: Neither D: Either( ) 7. ______ of us has read the story.A: Some B: Both C: All D: None( ) 8. Students are usually interested in sports. Some like running, some like swimming, ______ like ball games.A: the others B: others C: the other D: other( ) 9. There are many high-rises on ______ side of Huaihai Road. What a magnificent view!A: either B: neither C: both D: all( ) 10. Shanghai Waihuan tunnel is already open to traffic, so it will take us ______ time to go to Pudong International Airport.A: a few B: fewer C: a little D: less( ) 11. Not long ago, our country set up a rocket with two small satellites into space. One weighed 204 kilos and ______ 25 kilos.A: another B: other C: others D: the other\( ) 12. In order to keep healthy, you should eat ______ fast food, ______ fresh vegetables and take enough exercise.A: fewer; fewer B: less; more C: fewer; more D: less; less( ) 13. Liu Xiang and Yao Ming are world-famous sports stars. ______ of them have set a good example to us.A: All B: Neither C: Both D: None( ) 14. Mr. Smith is quite busy today. He has ______ meetings to attend.A: little B: a little C: few D: a few( ). 15. Obey the traffic rules and learn to protect yourself. ______ is more important than life.A: Nothing B: Something C: Everything D: Anything( ) 16. Can we do our work better with ______ money and ______ people?A: less, few B: less, fewer C: little;, less D: few, less( ) 17. He has two flats in London. However, ______ is new.A: both B: neither C: all D: none( ) 18. There is ______ with your watch. It gets slower every day.A: nothing wrong B: something wrong C: wrong something D: wrong nothing ( ) 19. It seems that he has got ______ to show us. Let’s go and enjoy it.A: something interesting B: interesting somethingC: nothing something D: interesting nothing( ) 20. ______ of your answer is right. Please try a third time.A: Neither B: None C: Either D: Both( ) 21. ______ Kathy ______ Alice ______ at home last Sunday.A: Neither, nor, were B: Both, and, wasC: Either, or, was D: Not only, but also, were( ) 22. ______ of the winners has been awarded a prize.A: Every B: everyone C: Each D: Both( ) 23. There is ______ ink in my pen. Would you give me ______?A: little, a little B: a little, little C: few, a few C: a few, few( ) 24. The days in winter are shorter than ______ in summer.A: those B: that C: these D: them( ) 25. They don’t go to Europe for holiday, _______.A: neither will we B: neither do we C: so will we D: so we will( ) 26. It must be your first time to meet each other. Let me do the introduction.______ is Mr. Smith.A: He B: There C: This D: That( ) 27. I’m hungry. I want ______ to eat. ______ can do.A: something, Something B: anything, AnythingC: something, Anything D: anything, Something( ) 28. ______ of us likes this song in our class.A: None B: No one C: All D: Both( ) 29. I have a sister and two brothers. ______ of them are now in Japan.A: Both B: Everyone C: Either D: All( )30. Is there any water in the bottle? No, ______.A: none B: nothing C: not many D: quite a few( ) 31. Her work is better than ______ in our class.A: anyone B: anyone’s C: anyone’s else D: anyone else’s( ) 32. Which do you prefer, the red one or the green one?______.A: None B: Any C: Either D: Every( ) 33. ______ is interested in such a silly play.A: No one B: None of us C: All of us D: We allⅡ. Rewrite the sentences as required1.Both Tom and Tim are good at sports. （改为否定句）_ ___ Tom _____ Tim _____ good at sports.2.This problem is so difficult that nobody can work it out. （保持原意）This problem is ___ _ difficult for __ ____ to work out.3.All of them are teachers. （改为否定句）___ ___ of them ______ a teacher.4.This answer is wrong. That answer is also wrong. （保持句意）__ ___ this answer ___ ___ that one is right.三、用some，any，no，every与thing，one，body构成的复合不定代词填空。