allowed的用法及搭配（请详解bothallnone）

解答：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。做主语时谓语单数形式。

neither...nor...既不……也不……(可以连接主语也可以连接谓语、宾语、表语等)

He has neither money nor time. 它既没有钱，也没有时间。

连接主语时遵守就近原则。

Neither we nor he has a lot of money.我们和他都没有很多钱。

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“不完全否定”，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。