Either - or

Referring a choice between two possibilities.

• We can either eat now or after the show.
• Either my mother or my father will call.

Not either

Used in negative sentences instead of “too” or “also”.

• I haven’t visited New York.

I haven’t either.

• Jim doesn’t drink alcohol and his wife doesn’t either.

Neither - nor

Used in a negative sense with two nouns.

• Neither my mother nor my father went to university.

Used in a negative sense.

• Edward likes neither soda nor beer, he prefers water.

Singular or plural

• If both elements are singular, the verb is singular too.

  Neither my mother nor my father needs to attend the meeting.

• If one of the elements is plural, the verb is plural too.

  Neither John nor his friends are going to make dinner.

Let’s practice!

• Neither Juan nor Leila passed the exam.