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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
cannot function properly
Grammar usage guide and real-world examplesUSAGE SUMMARY
"cannot function properly" is a grammatically correct and usable phrase in written English.
You can use it whenever you need to communicate that something is broken or is not working as intended. For example: "Without its cooling system, the engine cannot function properly."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(20)
cannot operate correctly
cannot work effectively
is unable to work well
cannot perform as expected
does not operate as designed
is out of order
has malfunctioned
is not up to par
is defective
cannot work properly
cannot function sufficiently
cannot function normally
cannot run properly
cannot function correctly
cannot function well
cannot function effectively
cannot function successfully
cannot function adequately
cannot function efficiently
cannot operate properly
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
28 human-written examples
ECMO systems are used for patients whose lungs and/or heart cannot function properly on their own and need time to heal.
Science
The men and women who run the EU may resent French swagger from time to time, but they know that Europe cannot function properly if France is sulking on the sidelines.Mr Sarkozy appears to have three big ideas for reconciling sullen French voters with the EU.
News & Media
The reason is I basically cannot function properly, speak well or make sound decisions.
News & Media
This argument is based on the notion that the "marketplace of ideas" cannot function properly if not all ideas can get into the marketplace.
News & Media
During stressful situations, the adrenal glands sometimes cannot function properly, resulting in the conversion of progesterone into cortisol.
Wiki
However, sometimes the circumstances in which you find yourself are so debilitating to you that you cannot function properly and your work performance continues to suffer.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
"I cannot function.
News & Media
Urpilainen and Soini were against the bailout, with Urpilainen demanding more responsibility from banks and investors and Soini repeating his stance that the eurozone cannot possibly function properly with countries like Portugal and Greece as members.
Wiki
It is perhaps only then that these ideologues will realize how much of their daily lives are actually dependent on "the government" being able to do the multitude of things it does for "the American people," and how our free democratic society cannot function without a properly funded "government".
News & Media
At the same time, moderation seems to be the foundation of many contemporary democratic political regimes, because the competition between parties cannot properly function without compromise and bargaining.
Academia
This section shall not be construed to prohibit the dismissal from employment of a Federal civilian employee who cannot properly function in his employment.
Academia
Expert writing Tips
Best practice
When using "cannot function properly", ensure the subject and context clearly indicate what is failing to operate as intended. Be specific to enhance clarity.
Common error
Avoid using "cannot function properly" without a clear subject. For example, instead of saying "Things cannot function properly", specify what 'things' you're referring to: "The government's departments cannot function properly due to budget cuts."
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "cannot function properly" acts as a predicate, describing a state of impaired functionality. It indicates that a subject is unable to perform its intended purpose or operate as expected. Ludwig AI confirms its correct grammatical structure and wide applicability.
Frequent in
News & Media
33%
Wiki
17%
Science
33%
Less common in
Formal & Business
8%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "cannot function properly" is a grammatically sound and versatile expression used to indicate that something is not operating as intended. As confirmed by Ludwig AI, it finds common usage across diverse contexts, spanning from news and media to science and wiki sources. When employing this phrase, ensure clarity by specifying the subject and context. Related alternatives include "cannot operate correctly" and "cannot work effectively". Be mindful of overuse; where possible make the subject clear and avoid vagueness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
cannot operate correctly
Replaces "function properly" with "operate correctly", focusing on the operational aspect.
cannot work effectively
Substitutes "function properly" with "work effectively", emphasizing the lack of efficiency.
cannot perform as expected
Changes the focus to performance relative to expectations rather than proper functioning.
is unable to work well
Uses "unable to work well" instead of "cannot function properly", highlighting the inability to perform adequately.
does not operate as designed
Focuses on the design specifications versus actual operation.
is out of order
Informal way to describe not functioning properly, often used for machines or systems.
is not in good working order
A more descriptive way of saying something isn't functioning correctly
has malfunctioned
Emphasizes a breakdown or failure in functioning.
is not up to par
Indicates that performance is below the required standard.
is defective
Suggests a flaw or fault causing the improper functioning.
FAQs
How to use "cannot function properly" in a sentence?
Use "cannot function properly" to describe something that is not working as it should. For example, "The computer "cannot function properly" without the correct drivers".
What can I say instead of "cannot function properly"?
You can use alternatives like "cannot operate correctly", "cannot work effectively", or "is unable to work well" depending on the specific context.
Which is correct, "cannot function properly" or "does not function properly"?
Both "cannot function properly" and "does not function properly" are grammatically correct and have similar meanings. The choice often depends on stylistic preference.
What's the difference between "cannot function properly" and "functions improperly"?
"Cannot function properly" emphasizes the inability to perform the function well. "Functions improperly" focuses more on the flawed manner in which something operates, implying that there's an issue with the operation.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested