1. As a pronoun:
* "Either" of the cakes looks delicious. (Refers to one or the other of two cakes)
2. As a conjunction:
* You can have either apple pie or chocolate cake. (Connects two alternatives)
* I don't want to go to the movies, and neither do you. (Connects two negative statements)
3. In a negative statement:
* I didn't see either of them. (Indicates that neither one was seen)
4. In a question:
* Do you want coffee or tea? Either will do. (Offers a choice)
5. With "or":
* You can either stay here or go home. (Offers two choices)
Remember: "Either" is often used in conjunction with "or" to present two options. It can also be used alone, but its meaning is dependent on the context.