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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
not be able
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not be able" is correct and usable in written English.
It is typically used to express an inability to do something in the future or in a hypothetical situation. Example: "I will not be able to attend the meeting due to a prior commitment."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(7)
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
34 human-written examples
China might not be able to.
News & Media
She would not be able to eat.
News & Media
Some may not be able to.
News & Media
they would not be able to compete.
He may not be able to.
News & Media
They may not be able to".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
26 human-written examples
But I've not been able to.
News & Media
Ziad had not been able to wait.
News & Media
Not being able to read, in fact.
News & Media
Not being able to get to sleep.
News & Media
Not being able to take a risk.
News & Media
Expert writing Tips
Best practice
When using "not be able", ensure the sentence clearly indicates the reason for the inability to provide context for the reader.
Common error
Avoid using "not be able" in overly complex sentences where the intended meaning might be unclear. Simplify the sentence structure to maintain clarity.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not be able" functions as a modal phrase indicating a lack of ability or capability. As Ludwig AI confirms, this phrase is used to express an inability to do something in the future or a hypothetical situation. It modifies verbs to express possibility, necessity, or permission.
Frequent in
News & Media
40%
Academia
32%
Science
16%
Less common in
Wiki
8%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "not be able" is a common and grammatically correct way to express an inability or lack of capacity. Ludwig AI validates its usability across various contexts. It is most frequently found in News & Media and Academic settings, with a neutral register suitable for both formal and informal communication. Alternative phrases like "unable to" or "cannot" can be used depending on the desired level of formality. When using this phrase, ensure the context clearly indicates the reason for the inability to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
cannot
This is a more direct and concise way to express inability.
unable to
This is a more formal alternative to "cannot" with a similar degree of interchangeability.
will be unable to
Specifies future inability.
incapable of
This suggests a fundamental lack of capacity or skill.
not have the capacity to
Emphasizes a lack of resources or means to perform something.
lack the ability to
Highlights the missing skill or competence.
fail to
Focuses on the negative outcome of not achieving something.
be powerless to
Indicates a lack of influence or control over a situation.
be in no position to
Implies that circumstances prevent someone from doing something.
find it impossible to
Highlights the difficulty or unfeasibility of an action.
FAQs
How can I use "not be able" in a sentence?
You can use "not be able" to express an inability to perform an action, such as "I will "not be able" to attend the meeting" or "They might "not be able" to complete the project on time".
What are some alternatives to "not be able"?
Some alternatives include "unable to", "cannot", or "incapable of", depending on the context and desired level of formality.
Is there a difference between "not be able to" and "unable to"?
While both phrases express an inability, "unable to" is often considered more formal than "not be able to". They are generally interchangeable in most contexts.
When is it appropriate to use "not be able" in formal writing?
The phrase "not be able" is acceptable in most writing contexts, including formal writing. However, in highly formal or technical writing, consider using "unable to" or a more precise alternative to maintain a professional tone.
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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
4.5/5
Expert rating
Real-world application tested