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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
should not be
Grammar usage guide and real-world examplesUSAGE SUMMARY
"should not be" is correct and usable in written English.
It is used when expressing prohibition, obligation, expectation or advice. Example: You should not be late for class.
✓ Grammatically correct
News & Media
Formal & Business
Wiki
Alternative expressions(20)
must not be
ought not to be
cannot be
is not supposed to be
is not allowed to be
may not be
should not lie
should not worry
should not invade
is not necessary to be
is not an option
should not disqualify
need not have
should not derail
need not apply
should not relax
need not attend
should not matter
need not pass
need not pose
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 should not be.
News & Media
This should not be.
News & Media
They should not be.
News & Media
"That should not be".
News & Media
He should not be.
News & Media
"Or it should not be".
News & Media
It should not be feared.
News & Media
We should not be afraid.
News & Media
It should not be missed.
News & Media
Alcohol should not be banned.
News & Media
This should not be happening".
News & Media
Expert writing Tips
Best practice
Use "should not be" to express recommendations, polite commands, or to describe an action that is best avoided. For stronger prohibitions, consider alternatives like "must not be".
Common error
While "should not be" is generally acceptable, avoid overuse in highly formal or academic writing. Opt for stronger, more precise phrasing like "is prohibited" or "is inadvisable" for increased clarity and impact.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "should not be" primarily functions as an auxiliary verb phrase expressing prohibition, obligation, expectation, or advice. Ludwig AI indicates its grammatical correctness. It is used to suggest that something is undesirable or against a recommendation.
Frequent in
News & Media
45%
Formal & Business
25%
Wiki
15%
Less common in
Science
5%
Reference
5%
Encyclopedias
5%
Ludwig's WRAP-UP
In summary, "should not be" is a grammatically correct and versatile phrase used to express prohibition, obligation, expectation, or advice. As Ludwig AI confirms, it's suitable for a range of contexts, though stronger alternatives may be preferred in highly formal settings. The phrase sees frequent usage in News & Media, Formal & Business, and Wiki sources. Remember to choose precise phrasing based on your intended tone and audience.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
must not be
Expresses a stronger prohibition than "should not be".
ought not to be
A more formal and sometimes weaker version of "should not be".
is not supposed to be
Implies an expectation or rule being broken, similar to "should not be".
is not allowed to be
Indicates a lack of permission, related to the sense of prohibition in "should not be".
cannot be
Expresses impossibility or strong prohibition.
may not be
Indicates that something is not permitted or advisable.
is not to be
A more emphatic way of saying something is prohibited or undesirable.
must never be
Emphasizes a permanent prohibition.
is forbidden to be
Highlights a formal prohibition.
is inadvisable to be
Suggests something is not a good idea.
FAQs
How do I use "should not be" in a sentence?
Use "should not be" to express an action that is best avoided or a recommendation. For example, "You "should not be" late for the meeting" suggests it's important to be on time.
What can I say instead of "should not be"?
Depending on the context, you can use alternatives like "must not be" for stronger prohibitions, or "ought not to be" for a more formal tone.
Which is correct, "should not be" or "shouldn't be"?
"Should not be" is more formal, while "shouldn't be" is a contraction used in informal contexts. Both are grammatically correct, but choose the one that suits the tone of your writing.
What's the difference between "should not be" and "cannot be"?
"Should not be" indicates a recommendation or expectation, while "cannot be" expresses impossibility or a strong prohibition. "You "should not be" here" suggests it's not advisable, but "You "cannot be" here" means it's forbidden or impossible.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested