Neither could I vs Not me

When to use each in English, with meaning, register, and examples.

Neither could I

Top 5,000 (fairly common)

Not me

InformalTop 3,000 (common)
Most formal: Neither could IMost common: Not me
 Neither could INot me
Pronunciation🇬🇧 //ˈnaɪðər kʊd aɪ//🇺🇸 //ˈniːðər kʊd aɪ//🇬🇧 //nɒt miː//🇺🇸 //nɑt mi//
MeaningI also could not.It means I am not the person involved.
ExampleShe couldn't finish the project.When they asked who broke the vase, she quickly said, 'Not me!'.
RegisterNeutralInformal
How commonTop 5,000 (fairly common)Top 3,000 (common)
Collocationsagree with, negative statement, share an opinionnot me involved, not me at fault, not me saying
Common mistakesUsing 'neither could I' in formal writing., Confusing with 'either could I' which has a positive meaning., Omitting the subject when using this phrase.Using 'not me' when the sentence structure requires a different response., Confusing it with 'not my fault' when discussing responsibility., Using it in overly formal contexts where a complete sentence is expected.
Usage notesUse this phrase to agree with a negative statement made by someone else. It’s typically informal but can be used in friendly conversations.Use 'not me' to emphasize your non-involvement in something. It's often used in casual conversations but may not be appropriate in formal settings.

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Neither could I
Not me

Frequently asked questions: Neither could I vs Not me

What's the difference between Neither could I and Not me?

Neither could I: I also could not. Not me: It means I am not the person involved.

Which is more formal: Neither could I and Not me?

Neither could I is the most formal of these.

Which is more common: Neither could I and Not me?

Not me is the most common in everyday English.

Can you show an example of each?

Neither could I: She couldn't finish the project. Not me: When they asked who broke the vase, she quickly said, 'Not me!'.

Can I use Neither could I and Not me interchangeably?

Not always. Neither could I and Not me are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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