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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
became unable to
Grammar usage guide and real-world examplesUSAGE SUMMARY
"became unable to" is correct and usable in written English.
You can use it when you want to say that someone was no longer capable of doing something. For example: "The patient became unable to walk due to complications from the surgery."
✓ Grammatically correct
News & Media
Science
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
57 human-written examples
He became unable to urinate and he grew agitated.
News & Media
One such patient, a touch typist, became unable to type.
News & Media
Upon lesioning, rats became unable to regulate their motivation based on the average value.
Academia
He became unable to control his anger, which erupted at the slightest provocation.
News & Media
In his mid-90s, Mr. Day became unable to drive his car.
News & Media
Bourguiba, long in declining health, became unable to mask his autocratic tendencies.
Encyclopedias
She became unable to work; she went out less and less.
News & Media
Demand fell as companies became unable to afford them, found substitutes, or lived off their stockpiles.
News & Media
He quickly became unable to work, and his distress upset everyone around him.
News & Media
His father developed multiple sclerosis, lost his job and became unable to care for him.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Bertovich had no history of dependency, yet became unable to function without the painkillers she was prescribed.
News & Media
Expert writing Tips
Best practice
Use "became unable to" to clearly indicate a change in someone's capacity or ability over time. It's best when describing a process or event that led to this change.
Common error
Avoid using "became unable to" interchangeably with phrases like "never able to" or "always unable to", as "became unable to" implies a change from a previous state of ability.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "became unable to" functions as a verb phrase indicating a change in ability or capacity. Ludwig AI confirms its correctness and usability in written English. It's often followed by an infinitive verb, specifying the action that can no longer be performed.
Frequent in
News & Media
40%
Science
30%
Encyclopedias
10%
Less common in
Wiki
8%
Formal & Business
7%
Academia
5%
Ludwig's WRAP-UP
The phrase "became unable to" is a common and grammatically sound way to describe a shift from being capable to incapable of performing a certain action. As Ludwig AI indicates, its usage is widespread across various contexts, with a notable presence in news, scientific literature, and encyclopedic entries. When using the phrase, ensure that the context clearly supports the idea of a change in ability, as opposed to a constant state of inability. Consider alternatives like "could no longer" or "lost the capacity to" for subtle variations in meaning. This detailed analysis provides a comprehensive guide to understanding and using "became unable to" effectively.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
could no longer
A simpler and more direct way of expressing the change in ability.
was rendered incapable of
Emphasizes the process or cause that led to the inability.
lost the capacity to
Focuses on the loss of a specific ability or function.
had no ability to
Focuses on the complete absence of the ability.
ceased to be able to
A more formal way of expressing the inability.
prove incapable of
Suggests an inherent lack of ability, as demonstrated by events.
found it impossible to
Highlights the subjective experience of impossibility.
turned out to be unable to
Highlights that the inability to perform was discovered later in time.
was not in a position to
Indicates that circumstances prevented the action.
deteriorated to the point of being unable to
Emphasizes a process of decline that culminated in the inability.
FAQs
How to use "became unable to" in a sentence?
Use "became unable to" to describe a situation where someone or something lost the ability to do something. For example, "The old man "became unable to walk" due to arthritis".
What can I say instead of "became unable to"?
You can use alternatives like "could no longer", "ceased to be able to", or "lost the capacity to" depending on the context.
Which is correct, "became unable to" or "become unable to"?
"Became unable to" is used in the past tense, while "become unable to" is used in the present or future tense. For example, "He "became unable to work" after the accident" (past) versus "He may "become unable to work" if his condition worsens" (future).
What's the difference between "became unable to" and "was unable to"?
"Became unable to" implies a change in state – that the person or thing used to be able to do something but can no longer do it. "Was unable to" simply states that the person or thing was not able to do something at a specific point in time, without necessarily implying a change.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested