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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
ought to be
Grammar usage guide and real-world examplesUSAGE SUMMARY
"ought to be" is an acceptable phrase in written English.
It is used to express a moral obligation or duty, and is generally followed by a verb. Example: All citizens ought to be aware of their civic responsibilities.
✓ Grammatically correct
News & Media
Formal & Business
Alternative expressions(20)
should be
must be
needs to be
has to be
is supposed to be
is expected to be
is required to be
is advisable to be
would be
could be
it should be easy
it promises to become
must have investigated
is confirmed to be
it seemed as though
one might think that
it appear as if
practically as if
ought to involve
it has been verified that
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
60 human-written examples
It ought to be.
News & Media
"You ought to be.
News & Media
They ought to be.
News & Media
ought to be paid.
News & Media
Lufkin ought to be different.
News & Media
"There ought to be consequences".
News & Media
"Questions ought to be asked.
News & Media
"You ought to be involved.
News & Media
They ought to be abolished.
News & Media
That ought to be enough.
News & Media
(As he ought to be).
News & Media
Expert writing Tips
Best practice
Use "ought to be" to express a moral obligation or a strong recommendation, especially in formal contexts. For instance, "Honesty ought to be the foundation of any relationship."
Common error
Avoid using "ought to be" interchangeably with "should" in all contexts. While similar, "ought to be" carries a slightly stronger sense of moral duty or obligation than "should". Choose the word that most accurately reflects the intended nuance.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "ought to be" functions primarily as a modal auxiliary verb phrase expressing obligation, advisability, or expectation. It is used to indicate what is considered morally right, appropriate, or logically necessary. Ludwig AI confirms that this phrase is grammatically correct and widely used in various contexts.
Frequent in
News & Media
60%
Formal & Business
20%
Science
10%
Less common in
Encyclopedias
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "ought to be" is a grammatically correct and frequently used modal verb phrase that expresses obligation, advisability, or expectation. As Ludwig AI confirms, this expression is suitable for formal writing and carries a strong sense of moral duty. Although similar alternatives like "should be" exist, "ought to be" offers a unique nuance of moral imperative. When writing, make sure to use it to express a judgment or recommendation, especially in contexts where a sense of formality and ethical consideration is required.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
should be
More common and less formal than "ought to be".
must be
Conveys a stronger sense of necessity or certainty.
has to be
Similar to "must be" but often used in more informal contexts.
needs to be
Emphasizes a requirement or necessity for something to happen.
is supposed to be
Indicates an expectation or arrangement, often without a strong sense of obligation.
is expected to be
Similar to "is supposed to be", but focuses on anticipation.
is required to be
Highlights a formal requirement or regulation.
is advisable to be
Suggests a recommended course of action.
would be
Expresses a conditional or hypothetical situation.
could be
Indicates a possibility, rather than an obligation.
FAQs
What does "ought to be" mean?
"Ought to be" expresses a moral obligation, duty, or expectation. It suggests that something is the right or appropriate thing to do or the state something should ideally be in.
How do I use "ought to be" in a sentence?
Use "ought to be" followed by a verb to indicate a desired action or state. For example, "All citizens "ought to be" aware of their civic responsibilities."
What's the difference between "ought to be" and "should be"?
While both express advisability, "ought to be" often carries a stronger sense of moral obligation or duty compared to "should be". "Should be" is generally considered less formal and more widely used.
What can I say instead of "ought to be"?
Depending on the context, you can use alternatives such as "should be", "must be", or "needs to be".
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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
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested