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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 have included
Grammar usage guide and real-world examplesUSAGE SUMMARY
"should have included" is correct and can be used in written English.
It is used to express regret or disappointment that something was not included. For example: I'm sorry I forgot to include my contact information in the email. I should have included it in the first place.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
needed to include
neglected to mention
should have concentrated
should have participated
should have concerned
should have indicated
should have looked
should have noticed
should have utilized
failed to include
should have suggested
was necessary to include
omitted from
should have incurred
ought to have included
should have integrated
should have incorporated
did not bring up
should have involved
failed to mention
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
57 human-written examples
It should have included a blue pencil.
News & Media
Are there any we should have included?
News & Media
I think he should have included New York.
News & Media
Which houses do you think we should have included?
News & Media
Ms. Gerston's article should have included comments from Nathaniel Branden.
News & Media
In fairness the article should have included a response from Mr. Romano.
News & Media
Also you should have included "pesky" and "dirt dog" here to win "Talking About Pedroia" bingo.
News & Media
A book as stuffed with minor characters as "Union 1812" should have included one more.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
The recipe should have included 1 teaspoon of baking soda.
News & Media
And then, of course, one has to mention the poets I might have/should have included on my list.
News & Media
Is there anyone we should have included?
News & Media
Expert writing Tips
Best practice
Use "should have included" when critiquing or evaluating a piece of work or plan where the absence of something is a notable oversight, such as in reviews or reports.
Common error
Avoid using "should have included" when you mean "should include". The former refers to a past action that was not taken, while the latter is a recommendation for a current or future action.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "should have included" functions as a modal verb phrase expressing advisability or obligation in retrospect. It's used to indicate that something was necessary, beneficial, or expected to be part of a previous action or situation. Ludwig's examples showcase its use in various contexts.
Frequent in
News & Media
51%
Science
24%
Wiki
7%
Less common in
Formal & Business
6%
Academia
3%
Reference
0%
Ludwig's WRAP-UP
In summary, "should have included" is a versatile phrase used to express regret or suggest that something was missing in a past action or situation. As confirmed by Ludwig, it is grammatically correct and widely used. Its function is to offer constructive criticism or suggestions, making it suitable for various contexts. Its frequent occurrence in news and media sources suggests its broad applicability. Remember to use "should have included" to refer to past actions and avoid confusing it with "should include", which is for present or future actions. Mastering this phrase can enhance clarity and precision in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ought to have included
Replaces "should" with "ought to", conveying a slightly stronger sense of obligation.
needed to include
Focuses on the necessity of including something rather than expressing regret.
was necessary to include
Emphasizes the requirement of inclusion, altering the sentence structure.
it would have been better to include
Adds a layer of subjective judgment about the inclusion.
it was advisable to include
Highlights the prudence of including something, changing the tone slightly.
inclusion would have been beneficial
Shifts the focus to the benefits of including something, rather than the act itself.
failed to include
Indicates a simple omission without necessarily implying regret.
omitted from
Highlights the act of leaving something out, often in a more formal context.
left out of
A more informal way of saying something was not included.
was missing from
States that something was absent, focusing on the state of incompleteness.
FAQs
How to use "should have included" in a sentence?
"Should have included" is used to express regret or suggest that something was missing. For example, "The report should have included data from the last quarter."
What can I say instead of "should have included"?
You can use alternatives like "ought to have included", "needed to include", or "was necessary to include" depending on the context.
Which is correct, "should have included" or "should include"?
"Should have included" refers to something that was not included in the past, while "should include" is a recommendation for present or future inclusion. The correct choice depends on the intended meaning.
What's the difference between "should have included" and "failed to include"?
"Should have included" implies a suggestion or regret that something was omitted, whereas "failed to include" simply states the omission without necessarily implying regret.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested