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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I cannot do

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I cannot do" is correct and usable in written English.
You can use it to express an inability or refusal to perform a specific action or task. Example: "I cannot do what you are asking me to do at this moment."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

I cannot do coffee.

News & Media

The New York Times

I cannot do anything bad".

News & Media

Independent

I cannot do anything else.

News & Media

Independent

"But I cannot do it.

News & Media

The New Yorker

I cannot do that now.

News & Media

The New York Times

I cannot do it anymore".

News & Media

The New Yorker

I cannot do this now.

News & Media

Independent

This I cannot do.

'I cannot do this job.

News & Media

The New York Times

I cannot do this alone.

"I cannot do it now.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

Use "I cannot do" to express a direct inability or refusal. It's suitable for both formal and informal contexts, providing clarity and assertiveness.

Common error

While generally acceptable, avoid overuse of "I cannot do" in highly formal writing. Alternatives like "I am unable to" or "It is not possible for me to" may sound more polished.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I cannot do" functions as a declarative statement expressing the speaker's inability or refusal to perform an action. Ludwig AI confirms its grammatical correctness and usability across various contexts.

Expression frequency: Very common

Frequent in

News & Media

74%

Science

24%

Formal & Business

2%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "I cannot do" is a grammatically sound and versatile phrase used to express an inability or refusal to perform a specific action. Ludwig AI confirms its correctness and common usage. While it's suitable for various contexts, from news articles to scientific papers and everyday conversations, using slightly more formal alternatives may be preferable in highly formal writing. The phrase is most frequently found in News & Media and Science contexts, highlighting its widespread applicability. Consider alternatives like "I'm unable to" or "It's impossible for me to" for subtle variations in meaning and tone.

FAQs

What can I say instead of "I cannot do"?

You can use alternatives like "I'm unable to", "I'm not able to", or "I'm incapable of doing" depending on the context.

How to use "I cannot do" in a sentence?

"I cannot do" is used to express inability or refusal. For example, "I cannot do what you are asking me to do at this moment" or "I cannot do that because it is against my principles".

Which is correct, "I cannot do" or "I can't do"?

Both are correct, but "I cannot do" is more formal while "I can't do" is more informal and commonly used in spoken English and casual writing.

What's the difference between "I cannot do" and "I am not able to do"?

"I cannot do" is a more direct and assertive way of expressing inability. "I am not able to do" is often perceived as slightly more polite and formal, suggesting a lack of ability rather than a firm refusal.

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Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: