What is the rule for either and neither?

Related questions

1. What does neither mean?
2. Is it neither of us is or are?
3. What is the difference between answer and reply?
4. What is the meaning of either end?
5. Can you say me either?
6. What does either side mean?
7. What is the difference between either and neither?
8. When to use either or neither in a sentence?
9. How do you reply and use answer?
10. What does either one mean?

Tags

1. #auxiliary
2. #needs
3. #commonly
4. #original
5. #agreement
6. #subject
7. #neither
8. #sentence
9. #pronoun
10. #especially
11. #using
12. #statement
13. #english
14. #statements
15. #either
16. #although
17. #agree
18. #similar
19. #negative
20. #spoken
21. #tense