【例如】
Either of them will be appointed Minister of Finance.Neither of the two speaks English well.You must not favor either side in the dispute.In neither case can I aGREe with you.
2) either...or表示两个或多个选择中的一项。neither...nor表示“既不，也不”。either...or, neither...nor连接的两个名词或代词作主语时，谓语动词与最靠近它的主语一致。
【例如】
He neither knows nor cares what has happened.Neither he nor I have met such a beautiful girl before.He must be either mad or drunk.Either she or you are to be blamed for what has happened.
3) either表示也不，用于否定句。(too表示“也”，用于肯定句。)
【例如】
I don't like the yellow shirt, I don't like the GREen one, either.
4) neither可以引导倒装句，表示和前面的情况一致，而且前面为否定句。
【例如】
The organization had broken no rules, but______had it acted responsibly. (CET-4 1996,1)A) neither B) so C) either D) bothneither引导倒装句，表示和前面的否定情况一致。so引导倒装句，表示和前面的肯定情况一致。either表示两者中的一个，both表示两者都。答案为A.
