All/Both/Either/Neither
What Is It?
All/Both/Either/Neither refers to quantifiers used for groups of more than two or exactly two.
B1-B2 reference topic in Nouns, Pronouns, and Quantifiers.
Why Use It?
- Refer to complete groups or two alternatives.
- Make positive and negative choices precise.
- Control agreement.
Formation and Patterns
| Use | Pattern | Example |
|---|---|---|
| All | all + plural/uncountable | All students can join. |
| Both | both + plural | Both answers are correct. |
| Either/neither | either/neither + singular noun | Neither option is easy. |
Common Mistakes
- Using both for more than two.
- Using neither with a plural verb in formal writing.
- Combining neither with another negative.
Exceptions & Nuances
- Either can mean one of two or both in negative sentences, depending on context.