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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
could no longer
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could no longer" is correct and usable in written English.
You can use it to indicate that something has stopped happening, or has run out. For example: "The water in the pool had evaporated so quickly that we soon realized we could no longer swim."
✓ Grammatically correct
News & Media
Encyclopedias
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
55 human-written examples
She could no longer work.
News & Media
Monson could no longer walk.
News & Media
But the defence could no longer cope.
News & Media
Until even it could no longer survive.
News & Media
Morgan could no longer sleep at night.
News & Media
She could no longer sing professionally.
News & Media
Journeymen could no longer anticipate becoming masters.
Encyclopedias
Then she could no longer stand.
News & Media
Rising expectations could no longer be met.
News & Media
He could no longer work with Abramson.
News & Media
Municipal traffic could no longer be rerouted.
News & Media
Expert writing Tips
Best practice
Use "could no longer" to clearly indicate a change in ability or circumstance, ensuring the context makes the reason for the change evident.
Common error
Avoid using "could no longer" when "can no longer" is more appropriate for present or future scenarios. "Could" implies a past inability, while "can" addresses current or upcoming situations.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could no longer" functions as a modal phrase expressing past inability or cessation of an action. It indicates that a subject was previously capable of something but is not anymore. As confirmed by Ludwig, this usage is grammatically sound and common.
Frequent in
News & Media
78%
Encyclopedias
5%
Formal & Business
3%
Less common in
Science
4%
Academia
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "could no longer" is a grammatically correct and very common modal phrase used to indicate a past inability or the cessation of an action. According to Ludwig, its versatility allows for use in various contexts, particularly in news and media, while maintaining a neutral register. To ensure proper usage, remember to use "could" to signal the past and avoid double negatives. Alternatives such as "was no longer able to" can be employed for semantic variation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was no longer able to
Emphasizes the lack of ability rather than the cessation of action.
was not able to continue
Focuses on the inability to proceed with an action.
became impossible to
Stresses the infeasibility of continuing.
was incapable of continuing
Focuses on the lack of capacity to proceed.
had to stop
Indicates a forced or necessary halt to an action.
ceased to be able to
Highlights the change in ability.
could not keep
Emphasizes the inability to maintain a state or action.
was forced to quit
Highlights the mandatory nature of ceasing the action.
reached a point where it was impossible to
More elaborate way to express the impossibility.
was time to give up
Highlights the abandonment of the action, for various reasons.
FAQs
How do I use "could no longer" in a sentence?
Use "could no longer" to indicate that someone or something was previously able to do something, but is no longer able to do it. For example, "He "could no longer walk" after the accident".
What are some alternatives to "could no longer"?
Alternatives include "was no longer able to", "was not able to continue", or "had to stop", depending on the specific context.
Is "couldn't no longer" grammatically correct?
No, "couldn't no longer" is grammatically incorrect. It's a double negative. The correct phrase is "could no longer".
What is the difference between "can no longer" and "could no longer"?
"Can no longer" refers to a present inability, while "could no longer" refers to a past inability. Use "can" for current situations and "could" for past situations.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested