Used and loved by millions
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 have referred
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "should have referred" is correct and usable in written English.
It is typically used to express that someone failed to mention or direct attention to something in the past when it would have been appropriate to do so. Example: "In his report, he should have referred to the latest research findings to support his argument."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
could have referred
neglected to mention
should have included
did not bring up
should have incorporated
failed to mention
should have met
should have wore
should have provided
should have mentioned
should have concerned
should have indicated
should have looked
should have noticed
should have cited
should have acknowledged
should have addressed
should have suggested
should have made
should have come
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
59 human-written examples
It should have referred to Yazidi-dominated areas.
News & Media
We should have referred to the Mahdi's followers.
News & Media
That figure should have referred to deaths nationwide.
News & Media
This should have referred to the hosting provider EveryDNS.
News & Media
It didn't: we should have referred to 2009.
News & Media
Both statements should have referred to 2009, not 2008.
News & Media
The quote should have referred to Tuggle's "waspish wit" (not "WASPish wit").
Academia
An earlier version referred to Britain, when it should have referred to England and Wales.
News & Media
It should have referred to Holy Week, which is the week that precedes Easter.
News & Media
She was told she should have referred her comments to their PR department.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
He says that should have referred instead to Fiat, which, like other European automakers, is suffering.
News & Media
Expert writing Tips
Best practice
Use "should have referred" when indicating that a past action or statement would have been more accurate or appropriate if it had mentioned something specific. It's often used in corrections or critiques of previous statements.
Common error
Avoid using "should have referred" when you mean to say someone should have inferred something. "Refer" means to mention or direct attention, while "infer" means to deduce or conclude from evidence. For example, instead of "They should have referred the meaning from the context", say "They should have inferred the meaning from the context".
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "should have referred" functions as a modal auxiliary verb phrase expressing regret, criticism, or suggestion about a past action. It indicates that someone failed to mention or direct attention to something, implying it would have been more appropriate or correct to do so. Ludwig AI shows numerous examples where corrections or clarifications follow such statements.
Frequent in
News & Media
64%
Science
17%
Academia
7%
Less common in
Formal & Business
5%
Encyclopedias
2%
Lifestyle
2%
Ludwig's WRAP-UP
In summary, "should have referred" is a common and grammatically correct phrase used to express that something should have been mentioned or cited in the past. Ludwig AI confirms its prevalence in news, science, and academic contexts, signaling its appropriateness in neutral to formal settings. When using the phrase, ensure you are indicating a past omission that ideally should have been included. Be careful not to confuse the use of "refer" with "infer". Related phrases like "ought to have mentioned" and "should have cited" can provide more specific alternatives depending on the intended meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ought to have mentioned
Replaces "should" with "ought to", indicating a moral obligation rather than just a suggestion.
should have cited
Specifically implies a failure to give credit or acknowledge a source.
should have directed attention to
Emphasizes the act of guiding focus towards something that was missed.
should have made reference to
A more formal way of saying "should have referred", suitable for academic or professional contexts.
should have alluded to
Suggests a more subtle or indirect mention that was missed.
should have pointed out
Highlights the act of bringing something to someone's notice, which was not done.
was supposed to mention
Indicates an expectation or requirement that was not fulfilled.
was expected to refer to
Similar to "was supposed to mention" but focuses specifically on referencing something.
needed to cite
Emphasizes the necessity of citing something that was not cited.
needed to reference
States that there was a need to reference something that wasn't referenced.
FAQs
How is "should have referred" typically used in a sentence?
It's generally used to express a past omission, suggesting that someone failed to mention or direct attention to something important. For example, "The report "should have referred" to the latest data available".
What are some alternatives to "should have referred"?
You can use alternatives such as "ought to have mentioned", "should have cited", or "should have directed attention to" depending on the context.
Is it correct to say "should of referred" instead of "should have referred"?
No, "should of referred" is grammatically incorrect. The correct form is ""should have referred"", where "have" is an auxiliary verb.
What's the difference between "should have referred" and "could have referred"?
"Should have referred" implies an obligation or a better course of action that wasn't taken, while "could have referred" indicates a possibility or option that wasn't exercised.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested