Either, Neither / Either... or, Neither..... nor.....

Either, Neither - are known as DISTRIBUTIVE PRONOUNS.
Would take only singular verb.

They cab be alone or with noun/pronoun as a phrase in subject or object.

"Either of them will take the seminar tomorrow. (Either is used here considering any one of two persons)"

"Either of your answers is right. (Two persons have answered. One of them is right)"
"Neither of your answers is right.(Two persons are there. Both is wrong.)"
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If EITHER/NEITHER is followed by a noun, it is known as DISTRIBUTIVE ADJECTIVES. Yes, here too singular verb to used.

"Either road leads my office. (Two roads are there. Either left road or right road leads my office)"

"Neither road leads my office. (Two roads are there. (None leads my office)"
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EITHER.... OR, NEITHER...... NOR
How to use them?
Here too, action is distributed any one element of two elements in compound sentences.

"Either you or your father should sign here. (You should sign here or your father should sign here.)"

"The food that I have now is neither a break-fast nor a lunch. (The food that I have is not a break-fast or a lunch.)"
A. K. V. MAHENDIRAN
IELTS, TOEFL TRAINER
V. MAHENDRAA INSTITUTE

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