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
may have made
Grammar usage guide and real-world examplesUSAGE SUMMARY
"may have made" is correct and usable in written English.
You can use the phrase to talk about something that has happened previously and the speaker is not sure if it was the cause of the present state of things. For example: The broken window may have been made when the ball hit it last week.
✓ Grammatically correct
News & Media
Science
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
Local elections on May 8th may have made things worse.
News & Media
That may have made the difference.
News & Media
That may have made sense once.
News & Media
She may have made up every word.
News & Media
With Trump, he may have made another.
News & Media
It may have made the strategic difference.
News & Media
I may have made a mistake.
News & Media
The teachers may have made city labor history.
News & Media
Key staff may have made their own exit plans.
News & Media
Unseen forces may have made up your mind.
News & Media
Marois's victory may have made that argument even stronger.
News & Media
Expert writing Tips
Best practice
When using "may have made", ensure the context clearly indicates what "it" or "they" is referring to, to avoid ambiguity.
Common error
Avoid using "may have made" when you are certain about the action and its consequences. Opt for stronger verbs to convey certainty.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "may have made" functions as a modal verb construction indicating a speculative or uncertain action in the past. It combines the modal verb 'may' (expressing possibility), the auxiliary verb 'have' (indicating past tense), and the past participle 'made' (the completed action). Ludwig AI confirms that this phrase is usable in written English.
Frequent in
News & Media
58%
Science
34%
Formal & Business
4%
Less common in
Reference
1%
Encyclopedias
1%
Social Media
1%
Ludwig's WRAP-UP
The phrase "may have made" is a common modal verb construction used to express uncertainty or speculation about a past action, suitable for various writing styles. It functions to indicate a possible, but not definite, cause or effect. It appears most frequently in News & Media and Scientific contexts. As Ludwig AI confirms, "may have made" is grammatically correct and effective for conveying uncertainty. When using the phrase, make sure to be clear about the action and be careful not to use it when you are sure about the cause or effect.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
might have brought about
Replaces "made" with "brought about", emphasizing the act of causing something to happen.
might have created
Replaces "made" with "created", implying a more active role in bringing something into existence.
may have given rise to
Highlights that something else started to exist as a consequence of something.
could have produced
Substitutes "made" with "produced", suggesting a more formal or manufactured outcome.
possibly resulted in
Shifts the focus to the consequence of the action, rather than the action itself.
perhaps generated
Replaces "made" with "generated", indicating the creation of something less tangible.
conceivably led to
Highlights the potential consequence or direction resulting from the action.
it's possible it fashioned
Uses "fashioned" instead of "made" for a more crafted or shaped result. Changes the sentence structure for emphasis.
it is plausible that it constructed
Replaces "made" with "constructed", indicating a more structured or built outcome. Introduces a higher degree of formality.
it is conceivable that it yielded
The verb "yielded" implies the action "may have made" could have produced some sort of result or harvest.
FAQs
How can I use "may have made" in a sentence?
The phrase "may have made" indicates a possibility or speculation about a past action. For example, "His decision "may have made" the situation worse" suggests his decision possibly worsened the situation.
What are some alternatives to "may have made"?
Alternatives include phrases like "might have created", "could have produced", or "possibly resulted in", each offering slight variations in meaning and emphasis.
When is it appropriate to use "may have made" versus "definitely made"?
"May have made" suggests uncertainty or speculation, while "definitely made" implies certainty. Use "may have made" when you are unsure about the cause or result. For example: "The rain "may have made" the roads slippery" vs. "The heavy rain definitely made the roads dangerous".
What's the difference between "may have made" and "could have made"?
Both "may have made" and "could have made" express possibility, but "could have made" often implies a potential or ability that wasn't necessarily realized. "May have made" suggests a possibility that something actually happened. For example: "He "may have made" a mistake" suggests it's possible he did, while "He could have made a mistake" suggests he had the potential to, whether he did or not.
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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