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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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may have changed

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "may have changed" is correct and usable in written English.
It can be used to indicate that something is possible or likely to have undergone a change in the past. Example: "The schedule for the meeting may have changed, so please check your email for updates."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

What may have changed Russia's mood?

News & Media

The Economist

The local environment may have changed.

News & Media

The Economist

But he acknowledges that may have changed.

News & Media

The Guardian

On Sunday that may have changed.

News & Media

The Guardian

He may have changed his appearance".

News & Media

The New York Times

The words may have changed, but the bullshit continues.

Times may have changed, but Dykstra has not.

The world may have changed, but has he?

In other transactions, no money may have changed hands.

News & Media

The New York Times

"I think I may have changed her vote".

News & Media

The Guardian

The month may have changed, but their sentence has not.

Show more...

Expert writing Tips

Best practice

Use "may have changed" to express a possibility or uncertainty about a past alteration, especially when you don't have definitive proof. For instance, "The regulations may have changed since our last review, so we should double-check them."

Common error

Avoid using "may have changed" when you have concrete evidence of a change. It's better to say "The policy has changed" if you are certain, rather than creating unnecessary doubt with "may have changed".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "may have changed" functions as an auxiliary verb phrase. It expresses a possibility or uncertainty regarding a past action or state. As confirmed by Ludwig AI, this construction is grammatically sound and commonly employed.

Expression frequency: Very common

Frequent in

News & Media

57%

Science

37%

Formal & Business

3%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "may have changed" is a grammatically correct and frequently used construction to express the possibility that something has been altered. Ludwig AI confirms its validity. It's common across various contexts, particularly in News & Media and Scientific sources, indicating a neutral register. While expressing uncertainty, it’s crucial to avoid using it when definitive information is available. Alternatives like "might have changed" or "could have been modified" can be used depending on the specific nuance you wish to convey. As Ludwig's analysis showcases, understanding its correct usage ensures clarity and precision in your writing.

FAQs

How can I use "may have changed" in a sentence?

Use "may have changed" to express that something possibly underwent an alteration in the past. For example, "The requirements for the application "may have changed" since you last checked."

What's the difference between "may have changed" and "has changed"?

"May have changed" suggests a possibility or uncertainty about a change, while "has changed" indicates a confirmed alteration. "The plan "may have changed"" implies uncertainty, but "The plan has changed" is a statement of fact.

What can I say instead of "may have changed"?

You can use alternatives like "might have changed", "could have changed", or "might have been altered" depending on the context.

Is it correct to say "things may be changed" instead of "things may have changed"?

No, "things may be changed" is grammatically incorrect. The correct phrasing is "things "may have changed"", which uses the present perfect tense to indicate a possible past alteration.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: