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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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could not swim

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "could not swim" is correct and usable in written English.
It can be used to express an inability to swim, often in past contexts or hypothetical situations. Example: "When I was a child, I could not swim, which made family trips to the beach quite challenging."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Many could not swim.

News & Media

The New York Times

"But Sanjeev could not swim.

News & Media

The New Yorker

The rest could not swim at all.

News & Media

The New York Times

She herself could not swim.

News & Media

The New Yorker

However much I practiced, I could not swim faster.

"He could not swim, and he was terrified of water.

News & Media

The New York Times

Most of the men, women and children could not swim.

News & Media

The Guardian

Edna Mae, who could not swim, was not impressed.

News & Media

The New York Times

Although Safinatu could not swim, I tried to teach her.

Not least by the Oxford cox who could not swim.

She told the students that those who could not swim should stay in the shallow water.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

When describing past events, use "could not swim" to clearly state the inability to swim at that time. For instance: "He panicked because he "could not swim" and the water was too deep."

Common error

Be careful not to confuse "could not swim" with phrases that imply a temporary inability due to circumstances, such as "couldn't swim because of an injury". The former indicates a general lack of swimming ability, while the latter suggests a temporary condition.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

90%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "could not swim" functions primarily as a verbal phrase indicating the absence of the ability to swim. Ludwig confirms its correctness and usability. It often appears in narratives to explain why a character is in danger or unable to perform a water-related activity.

Expression frequency: Very common

Frequent in

News & Media

95%

Science

3%

Formal & Business

1%

Less common in

Wiki

1%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "could not swim" is a common and grammatically correct way to express the lack of swimming ability. Ludwig AI's analysis confirms its widespread use, particularly in news and media contexts, where it often provides crucial context in stories involving water-related incidents. Alternatives like "was unable to swim" or "didn't know how to swim" can be used for variations in formality or emphasis. Understanding the subtle differences between these phrases helps ensure clear and accurate communication. When writing, remember to use "could not swim" to indicate a general or past inability, and avoid confusing it with phrases describing temporary conditions.

FAQs

How can I rephrase "could not swim" in a more formal way?

You can use phrases like "was unable to swim" or "lacked swimming proficiency" for a more formal tone.

What is a simple alternative to "could not swim"?

A simpler alternative is "didn't know how to swim", which is easy to understand.

Is it correct to say "can't swim" instead of "could not swim"?

"Can't swim" indicates a present inability, while "could not swim" typically refers to a past or general inability. The choice depends on the context you're describing.

When should I use "never learned to swim" instead of "could not swim"?

Use "never learned to swim" when you want to emphasize that someone did not acquire the skill of swimming at any point in their life, rather than just an inability at a particular time.

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Source & Trust

90%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: