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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 affected

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "may have affected" is correct and usable in written English.
It is often used to express uncertainty about whether something has had an effect or not. For example, "The unfamiliar environment may have affected his performance on the math test."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Weather problems may have affected flower or pollen production.

News & Media

The New York Times

Softeners added to the water may have affected the coffee.

News & Media

The New York Times

— and her doubts may have affected Kaufman, too.

News & Media

The New Yorker

This may have affected test characteristics.

This may have affected our results.

This may have affected the learning curve as well.

These mediators may have affected the activity of SP levels.

(2) A publication bias may have affected our results.

One person with lupus may have affected skin and joints, whereas another may have affected skin, kidney and lungs [16].

Those little things may have affected his confidence.

News & Media

BBC

Sexual dimorphism in beak size may have affected behaviour.

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Expert writing Tips

Best practice

When using "may have affected", ensure the context clearly indicates what is being affected and the possible cause. This avoids ambiguity and strengthens the statement's impact.

Common error

Avoid using "may have affected" when there is definitive proof of a cause-and-effect relationship. Use stronger verbs like "caused" or "resulted in" to reflect certainty.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "may have affected" functions as a modal verb phrase indicating a speculative or possible influence. It suggests a potential cause-and-effect relationship without asserting it as a certainty. As Ludwig AI explains, it expresses uncertainty about whether something has had an effect or not. It is common in situations where direct proof is lacking but there's a reasonable basis for suspecting a connection.

Expression frequency: Very common

Frequent in

Science

69%

News & Media

22%

Wiki

5%

Less common in

Formal & Business

1%

Encyclopedias

1%

Reference

1%

Ludwig's WRAP-UP

In summary, "may have affected" is a versatile phrase used to express a potential influence or impact. Ludwig AI confirms its correctness and usability in various contexts. As shown through numerous examples, it is commonly employed in scientific, news, and general writing to suggest a possible cause-and-effect relationship without definitive proof. When writing, remember to use it when you want to offer a plausible explanation or acknowledge a potential influence. Avoid overstating certainty when using this phrase, and ensure that the context makes clear what is being affected and what the possible cause is. By following these best practices, you can use the phrase effectively to convey nuanced meanings in your writing.

FAQs

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

Use "may have affected" to express a possibility that something had an impact, for instance, "The weather "may have affected" the crops".

What are some alternatives to "may have affected"?

You can use alternatives like "could have influenced", "might have impacted", or "may have contributed to" depending on the context.

Is it correct to say "might have affected" instead of "may have affected"?

"Might have affected" is a perfectly acceptable alternative, carrying a similar meaning of possibility and uncertainty about the impact.

What's the difference between "may have affected" and "definitely affected"?

"May have affected" suggests a possibility, while "definitely affected" indicates a certain and proven impact. The choice depends on the evidence available.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: