10.either 表示“兩者之中任何一個”, 作主語時, 謂語動詞用單數; 作定語時, 修飾單數名詞

　　 　　a. Here are two pens. You may use either of them.

　　 　　b. There are shops on either side of the street.

　　 　　c. Either of them is going there.

9.both表示“兩者都”, 作主語時, 謂語動詞用復數; 作定語時, 修飾復數名詞

8.all 的用法: 作主語時, 謂語動詞根據情況采取單數或復數; 作定語時,修飾[ U/C]

　　 　　a. All are here.大家都到了

　　 　　b. All is going on well.

7.one的用法:

　 �、�.表示“一個”, 如: one hour, one man

　 　②.泛指不確定的人, 可譯為“人們” “一個人”, 表此意時, 它的所有格是one’s, 反身代詞是oneself

　　 　　a. One should be strict with oneself.

　　 　　b. One should serve his country wholeheartedly.

　 �、�.one / ones代替上文出現過的可數名詞, 以避免重復

　　 　　a. He has a washer. I want to buy one too.

　　 　　b. Which shirt do you like? I like the red one.

6.each / every的用法:

　 �、�.each指 “每個”的個別的情況, 相當于漢語的 “各個”

　 �、�.every雖有“每個”的意思, 但常從整體出發, 強調共同性, 相當于“每個都”

　　 　　a. Every one of us has strong and weak points.(強調所有人都…)

　　 　　b. Each of us has strong and weak points.(強調每個都…)

　 　③.主語中有each / every, 構成反意問句時, 多用復數變化., 如:

　　 　　a. Every student like the film, don’t they ?

　　 　　b. Each of us takes part in the activity, don’t we ?

　 �、�.every可以和not連用, each不可以

　　 　　　a. Not every worker can do it.

5.few / little, a few / a little的用法: ( a ) few修飾或代替可數名詞; ( a ) little修飾或代替不可數名詞

　　　　 a. Few of them are good at skating.

　　　　 b. I met a few of my friends at the party.

　　　　 c. There is still a little milk in the bottle.

　　　　 d. Little remains to be said.

4.many / much的用法: many用來修飾或代替可數名詞; much用來修飾或代替不可數名詞

　　 　　a. Many students, many of the students.

b. Much has been done. / He has much to do. / He has much work to do.

3.no / none / no one的用法:

　 �、�.no =not any, 通常用作定語, 修飾可數或不可數

　　 　　a. There is no milk in the glass.

　　 　　b. He has no brother.

　 �、�.none代替可數名詞作主語時, 謂語動詞用單數或復數都可(參看“主謂一致”); none代替不可數名詞作主語時, 謂語動詞用單數

　　 　　a. None of the stories are / is interesting.

　 　③. no one只泛指人, 不與of連用; none指人, 事, 物皆可, 可與of連用

2.some / any的用法:

　 �、�.some常用于肯定句中. some在下列情況下也用于疑問句: 表示請求或邀請; 期待肯定回答,或認為對方肯定回答的可能性很大時; 表建議時

　　 　　a. Could you lent me some money?

　　 　　b. Will you have some milk?

　　 　　c. Are you waiting for some friends?

　　　　 d. Would you lend me some books please ?

　　 ②.any常用于疑問句和否定句中; any用于肯定句中表示 “任何”; 與一些否定含義的詞如: hardly, never, not, without等連用多用any

　　 　　a. I don’t have any ink.

　　 　　b. Do you have any ink?

　　 　　c. You can come and see me at any time.

　　 　　d. Any student can solve the problem.

1.不定代詞的使用要注意以下幾個方面

　 　①.不定代詞作主語時, 要明確其究竟是單數還是復數, 如: both是復數, either / neither是單數, all則根據情況可作單數或復數

　　　 　　a. Both of them are students.

　　　 　　b. All were present at the meeting.

　　　 　　c. All goes well.

　 �、�.不定代詞作定語時, 要明確其修飾可數與不可數的問題, 如: many / few修飾可數名詞; much / little修飾不可數名詞; some / any既修飾可數也修飾不可數

　 　③.all / both / each / everybody / everything等含有“全部”或“每個”意義的詞與否定詞not連用時, 通常表示部分否定. 全部否定時通常采用否定代詞none, no one, nobody, neither, nothing等

　　　　 a. Not all ants go out for food. = All ants don’t go out for food.并不是所有的螞蟻出去找食物

　　　　 b. None of them knew about the plan because it was kept a secret.