Either means one or the other of two. It is used before a singular noun.
- There was a chair on either side of the fire-place.
- I dont like either of them.
- I dont like either of my grammar teachers.
The verb is usually singular, but it can be plural in an informal style.
- Is either of them at home? (more formal)
- Are either of them at home? (more informal)
Object pronouns after either of
We use object pronouns (them, us) after either of.
- I dont like either of them. (NOT --- either of they.)
The pronoun referring back to either + noun/pronoun can be singular or plural.
- If either of the boys comes, tell him/them to wait.
After mentioning a negative idea or fact, we can add another negative point by using not --- either.
- I dont like this one, and I dont like that one either. (= I dislike both of them.)
- Peter isnt here. John isnt here either.
- I know you dont like me. I dont like you either.
Either --- or
Either -- or is used to talk about a choice between two alternatives.
- He must be either mad or drunk.
- We must either go now or stay till the end.
Note that either introduces the first of two alternatives.
- I dont speak either German or French.
- You can have either tea or coffee.
Each and every
East, eastern, south, southern etc New!
Either and neither
Elder and eldest
End and finish
Especially and specially
Except and except for
Exchange for and exchange with
Ex and former
Search the Dictionary of Practical English Usage