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Grammar Rule: Neither...Nor

Grammar Rule: Using "Neither...Nor"

The words "both" and "not" should not be used together in the same sentence when expressing a negative idea about two items.

Instead, use "neither...nor" to clearly show that both options are not true.

Why this rule matters

Using "both" with "not" creates confusion because "both" suggests inclusion, while "not" creates negation. The structure "neither...nor" avoids this conflict and makes the sentence grammatically correct and clearer.

Examples

❌ Both the manager and the assistant are not available today.
✅ Neither the manager nor the assistant is available today.
❌ Both plans cannot succeed in this situation.
✅ Neither plan can succeed in this situation.

Important Note

  • "Neither" is used to make a negative statement about two people or things at the same time.
  • It is followed by singular countable nouns.
  • The verb that follows is usually singular (e.g., is, can, has).
  • It expresses the meaning of "not either" when comparing two choices.