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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 be single
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "should be single" is correct and usable in written English.
It can be used when discussing the preference or requirement for something to be in a singular form or status. Example: "In this context, the variable should be single to avoid any confusion in the calculations."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(3)
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
14 human-written examples
My father had also told me it was important that an action hero should be single at the beginning of a book in order to allow for some love interest, so my wife had conveniently died seven and a half years ago (tell them she was eight months pregnant at the time, it adds pathos - Dad, x) and I didn't have any thoughts of romance.
News & Media
For ease of reading, the text and tables should be single spaced; figures should be individually numbered, and each figure should have its legend on the page on which the figure appears, immediately beneath the figure.
Science & Research
When C i equals to 4 4.1 If the atom is C or N, because the number of the maximum connections is 4, and when they are connected with 4 atoms, all the bonds should be single.
Science
If the atom is C or N, because the number of the maximum connections is 4, and when they are connected with 4 atoms, all the bonds should be single.
Science
(4) When C i equals to 4 4.1 If the atom is C or N, because the number of the maximum connections is 4, and when they are connected with 4 atoms, all the bonds should be single.
Science
An ideal film should be single crystalline with atomically smooth surface, which maximizes the propagation distance of SPP and thus the transmission spectrum peak amplitude and reduces the linewidth by eliminating light scattering and loss at rough surface and grain boundary [1, 31, 32].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
For something that should be single-mindedly focused on its reproduction, the virus is a bit erratic too.
News & Media
Terrorism has no religion, and no one community should be singled out as being its source.
News & Media
And there are good reasons why fuel should be singled out for high taxation.
News & Media
The fact is nobody should be singled out in a letter.
News & Media
"I don't think they should be singled out," he says.
News & Media
Expert writing Tips
Best practice
When using "should be single" in creative writing, consider the character's motivations and the narrative context. Ensure it aligns with their personality and the story's themes.
Common error
Avoid using "should be single" when describing factual situations where marital status is already known. This phrase implies advice or expectation, not a statement of fact.
Source & Trust
88%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "should be single" functions as a modal verb phrase expressing advice, suggestion, or an opinion regarding someone's relationship status. As Ludwig AI indicates, the phrase is grammatically sound and usable. Examples show varied contexts, from discussing character arcs to personal well-being.
Frequent in
News & Media
30%
Science
25%
Wiki
20%
Less common in
Formal & Business
10%
Encyclopedias
8%
Academia
7%
Ludwig's WRAP-UP
In summary, the phrase "should be single" is a grammatically correct and commonly used modal verb phrase that expresses advice or an opinion about someone's relationship status. Ludwig AI confirms its validity, and Ludwig examples reveal the phrase's use in news, science and wikis. While generally neutral to informal, using related phrases like "ought to be unattached" or rephrasing for greater sensitivity is advised. Remembering its purpose and potential impact ensures appropriate and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ought to be unattached
Replaces "should" with "ought to", implying a moral obligation or advisability to be unattached.
needs to be solitary
Emphasizes the necessity of being alone, changing the focus from advice to requirement.
must be alone
Conveys a stronger sense of obligation or necessity to be without a partner.
is better off solo
Expresses the idea that being single is more advantageous or beneficial.
is required to be alone
Highlights the mandatory aspect of being single, often in a specific context.
it's preferable to be unpartnered
Suggests that being without a partner is the more desirable option.
would benefit from being independent
Focuses on the advantages of being independent rather than just being single.
it's advisable to remain uncommitted
Recommends staying uncommitted, changing the emphasis to avoiding commitment.
it is wise to be without commitments
Expresses the prudence of being free from obligations, subtly shifting the meaning.
it's beneficial to stay unattached
Highlights the positive aspects of remaining unattached, focusing on benefits.
FAQs
How can I use "should be single" in a sentence?
You can use "should be single" to express an opinion or recommendation about someone's relationship status. For example, "After all that he has been through, he "should be single" for a while to focus on himself."
What are some alternatives to "should be single"?
Alternatives include phrases like "ought to be unattached", "needs to be solitary", or "is better off solo", depending on the nuance you want to convey.
Is it always appropriate to tell someone they "should be single"?
It's generally considered impolite to directly tell someone they ""should be single"" as it can be perceived as judgmental and intrusive. Consider the sensitivity of the situation and your relationship with the person before offering such advice.
What does it mean when someone says a character in a book "should be single"?
In fiction, suggesting a character ""should be single"" typically implies that their relationship is detrimental to their well-being, growth, or the plot's progression. It's an opinion on what would be best for the character's development.
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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
88%
Authority and reliability
4.4/5
Expert rating
Real-world application tested