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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
could have supplied
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could have supplied" is correct and usable in written English.
It is typically used to express a possibility or hypothetical situation in the past regarding the act of providing something. Example: "If we had known about the shortage, we could have supplied the necessary materials on time."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(4)
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
32 human-written examples
Together, they could have supplied 21m retail sales.
News & Media
Some scientists state that ice delivered by comet impacts could have supplied the planet with additional water vapour.
Encyclopedias
Geochemical CO2 fixation from native metals could have supplied critical C2 and C3 metabolites before the emergence of enzymes.
Science & Research
There was a clear need for more offense through the middle and Michael Bradley could have supplied that.
News & Media
Here they could have supplied Cole with a partner and employed a longer ball game to bypass their overrun midfield.
News & Media
If he had steroids-tainted B12 liquid and knew it, Tejada could have supplied different, clean B12 liquid for testing.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
28 human-written examples
"It's really important for us to ascertain at the moment is where he went, where he could've come into possession of drugs, and who could've supplied those drugs to him". Supt McLain said "somebody out there will know where he got those drugs from".
News & Media
Wood and tires could not have supplied so much heat: Torero calculated that the perpetrators would have needed to burn 20,000 to 40,000 kilograms of wood or 9000 to 18,000 tires to provide the necessary energy.
Science & Research
Could a third party have supplied such rockets to the rebels to create a pretext for war?
News & Media
An explanation of causality could have been supplied only by folklore or by the imagination of the historian himself, neither of which can be relied upon.
Encyclopedias
It identified the attackers as APT28, a group of hackers and Kremlin sympathisers who could have been supplied with the tools to carry out the job.
News & Media
Expert writing Tips
Best practice
Use "could have supplied" to indicate a past possibility that did not occur. For example, "If the factory had been operational, it could have supplied the needed parts."
Common error
Avoid using "could of supplied"; the correct form is "could have supplied". "Could've" is the contracted form of "could have".
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could have supplied" functions as a modal verb phrase, expressing a hypothetical past action. It indicates that someone or something had the potential or ability to provide something but did not actually do so. Ludwig confirms that this phrase is grammatically correct and commonly used.
Frequent in
News & Media
40%
Science
32%
Encyclopedias
8%
Less common in
Wiki
8%
Formal & Business
4%
Academia
4%
Ludwig's WRAP-UP
In summary, "could have supplied" is a grammatically sound modal verb phrase used to express hypothetical past actions or missed opportunities. Ludwig confirms its correctness. It's frequently found in news, science, and encyclopedia contexts. While not the most common phrase, it effectively conveys the idea that someone or something had the capacity to provide something but didn't. Remember to use the correct form ("could have") and avoid the common mistake of writing "could of". Consider alternatives like "might have provided" or "would have furnished" for subtle variations in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
might have provided
Uses 'might' instead of 'could', indicating a slightly lower degree of certainty.
would have furnished
Replaces 'supplied' with 'furnished', suggesting a more formal tone.
may have delivered
Substitutes 'could' with 'may' and 'supplied' with 'delivered', indicating possibility.
were capable of providing
Expresses the ability to supply in a more descriptive way.
had the capacity to offer
Focuses on capacity rather than the act of supplying.
could have provisioned
Replaces 'supplied' with 'provisioned', implying a planned supply.
would have been able to give
Emphasizes ability and willingness to give.
might have contributed
Suggests a contribution rather than a full supply.
were in a position to provide
Highlights the position or circumstances enabling the supply.
could have made available
Focuses on making something accessible.
FAQs
How can I use "could have supplied" in a sentence?
Use "could have supplied" to indicate a past possibility or hypothetical situation where something could have been provided. For instance, "The nearby factory "might have provided" the resources if it weren't for the strike".
What are some alternatives to "could have supplied"?
Alternatives include phrases like ""might have provided"", "would have furnished", or "may have delivered", each carrying slightly different connotations.
Is there a difference between "could have supplied" and "would have supplied"?
"Could have supplied" suggests a possibility, while "would have supplied" implies a stronger likelihood or intention, had circumstances been different. Consider the subtle difference between them.
What's the proper way to contract "could have supplied"?
The contraction for "could have" is "could've". So, you can say "could've supplied". However, avoid using "could of supplied", as it is grammatically incorrect.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested