Either and Neither

Either and neither in negative sentences

Both of them are used as a "too" in a negative way.

• EITHER
You need to use it with a negative verb and at the end of a sentence:
- I don't know Julia. I don't know her either.

• NEITHER
You need to use it with a positive verb and at the beginning of a sentence:
- I don't like chocolate. Neither do I.


Either and neither in another context

• EITHER
It can be used in sentences to mean "any of the two":
- For lunch I'm eating either chicken or beef.

• NEITHER
It can be used in sentences to mean "none of the two":
- Neither of these books is about time travel.