may have altered

USAGE SUMMARY

The phrase "may have altered" is correct and usable in written English.
It can be used to indicate a possibility that something has changed or been modified in the past. Example: "The recent findings suggest that environmental factors may have altered the behavior of the species."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

The economy may have altered the timing, but Kicking Horse's owners have not abandoned their plans.

The New York Times - Travel

Failures to rotate crops or excessive clearing of trees may have altered the terrain of the ancient Near East.

The New York Times - Arts

But while Proulx's focus may have altered in its shift from fiction to autobiography, her style has not.

The Guardian - Books

Our ideas of energy may have altered since Ebenezer Howard's day (see below), but beauty and delight Welwyn does have.

The Guardian - Money

There was another, more subtle adjustment that may have altered the outcome.

The New York Times - Sports

And the Lilly drug, which may have altered a wide variety of body proteins, could have made people feel ill.

The New York Times

But in an effort to accommodate the demands of one, AOL may have altered the terrain for many.

The New York Times

But the drownings of migrants in the Mediterranean over the past two weeks may have altered the political landscape.

The Economist

Their exclusion may have altered the study's results if they were also more likely -- or less likely -- than the others to be taking hormones.

The New York Times

Pregnant women experiencing depression or anxiety are under greater stress and may have altered neurobiology themselves, which could affect fetal development via changes in the uterine environment.

The New Yorker

The broker Sanford C Bernstein forecast $8.5bn in December, but says the total may have altered because the company has increased its debt.

The Guardian - Tech

Expert writing Tips

Best practice

Use "may have altered" to express uncertainty about a past change. If the change is certain, consider using "has altered" or "changed".

Common error

Avoid using "may have altered" when the change is definitively known. Using a more direct verb like "changed" or "transformed" provides clarity and precision.

Linguistic Context

The phrase "may have altered" functions as a modal verb phrase expressing a possibility or conjecture about a past event or change. It combines the modal verb 'may' with the perfect tense 'have altered' to indicate uncertainty regarding whether something has indeed been modified.

Expression frequency: Very common

Frequent in

Science

41%

News & Media

57%

Formal & Business

2%

Less common in

Reference

0%

Wiki

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "may have altered" is a versatile construction used to express a possibility that something has changed. As Ludwig AI confirms, it's grammatically sound and appropriate for various contexts, particularly in News & Media and scientific writing. While it conveys a degree of uncertainty, it is best used when there is a plausible connection between the potential cause and the result. Remember to consider context and audience when using "may have altered", and make sure the sentence is clear about what could have influenced the change. If a change is definite, stronger verbs are recommended for precision.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

might have changed

Indicates a possibility of change, similar to "may have altered" but using a different modal verb.

could have modified

Suggests a potential modification, replacing "altered" with "modified" and "may" with "could".

possibly influenced

Replaces "altered" with "influenced", indicating a potential impact rather than a complete change.

potentially affected

Indicates a possible effect, where "affected" replaces "altered" to suggest an impact.

may have transformed

Suggests a significant change, using "transformed" instead of "altered" to imply a more dramatic shift.

might have impacted

Similar to "potentially affected", but uses "impacted" to convey a stronger influence.

could have adjusted

Indicates a possible slight change or correction, replacing "altered" with "adjusted".

possibly reshaped

Suggests a change in form or structure, using "reshaped" instead of "altered".

may have revised

Implies a formal or intentional change, replacing "altered" with "revised".

might have impacted on

It is just another form of "might have impacted", the only change regards the presence of the preposition "on".

FAQs

What does "may have altered" mean?

The phrase "may have altered" suggests a possibility that something has changed or been modified in the past, but without absolute certainty. It indicates a potential influence or transformation.

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

You can use alternatives like "might have changed", "could have modified", or "possibly influenced" depending on the context.

How do I use "may have altered" in a sentence?

Use "may have altered" to suggest a possible but unconfirmed change. For example, "The climate change may have altered the migration patterns of birds."

Is "may have altered" formal or informal?

"May have altered" is suitable for both formal and informal contexts. However, consider the specific audience and purpose to decide if a more precise verb would be preferable. You can also use Ludwig to get more insights.