问both/all/neither/none/either/each of的用法,后跟单/复数?

BOTH,ALL,NONE复数,其余单数

both 是两者都，后跟复数 。 neither 是它的否定形式。后跟单数
Both of them are teachers. Neither of them is a teacher .
All是三者（或以上）都。后跟复数（不可数名词除外）。None 是其否定式。后常跟单数。
All of the boys like playing football. None of us has been to the Great Wall .
Either of 是两者中的一个，后跟单数 。Each of 是三者（或以上）中的每一个，后跟单数。
Which do you want , the big apple or the small one? Either of them is OK .
Each of the children has a toy car.

either: 两者中的任一个
----Shall I come on Tuesday or Wednesday?
---- Either day is OK.
也(用于否定句末,代替肯定句中的too, as well, also).
He is not a worker, I am not either.
either...or...要么……要么……,或者……或者……
Either you or I am right. 连接主语动词用“就近原则”.

neither 两者都不
Neither of them knows me.他俩谁也不认识我.
neither...nor...既不……也不……
He has neither money nor time. 它既没有钱,也没有时间.

all 全、都（三者以上）,既可修饰可数名词也可修饰不可数名词.
All the books are useful to us.
All knowledge comes from practice.
all与否定词not连用为“部分否定”,表示“不是所有的……都……”
I don't know all of them. 他们当中我并不都认识.
All don't agree with you. = Not all agree with you. 并非所有人都同意你.

both 两者都
You can take both of them.两个你都可以拿去.
与否定词连用表示“部分否定”.
I don't know both of them.他俩我并非都认识.
both...and...双方都……
He can both sing and dance.他能歌善舞.

none一个也没有（三者以上全部否定）
None of them has a bike. 他们谁也没有自行车.
none作主语谓语动词单复数均可.
代替上文中出现过的名词,表示“什么也没有”,此时不能用nothing.
----How many apples are there in the fridge?
----None.

each各自,每一(用于两者或两者以上)
Each of us has a new pen.= We each have a new pen.
与not连用表示“部分否定”.
Each of them doesn't swim.他们并非都游泳.

every每个（用于三者或三者以上）不能与of 连用,只能说each of 或every one of
every(包括由every构成的everyone, everything 等不定代词）与not 连用表示“部分否定”.“并非每个都……”
Every student is not able to swim.不是每个学生都会游泳.
Not everybody went there.未必人人去那里.

总结：
1. 涉及两者之间关系的词有either, neither, both, each；涉及三者或三者以上的词有：none, all, every.（除了这几个词之外,还有几个词也涉及“二”、“三”,如between(两者之间）、among（三者以上之间）,the other(两者中的另一个）
2. 能与of 连用的是either, neither, both, all, none, each；不能与of 连用的是every,但every one可与of连用.
3. both, every, each, both, all与not 连用均表示“部分否定”,无论not的位置在前还是在后.全部否定的词只有none, neither, none表示三者以上全部否定,neither表示两者之间全部否定.
4. 两者之间的“有无关系”有三种：
neither A nor B A和B两者都不
both A and B A和B两者都
either A or B 要么A要么B