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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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refer by

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "refer by" is not a correct or usable phrase in written English.
You might be looking for the phrase "referred by," which can be used when referring to someone who is introducing you to someone else. For example, "She was referred by her friend to the best dentist in town."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

25 human-written examples

On Twitter, Rove did not refer by name to Wynn, though the two men are friends.

News & Media

The New Yorker

But at no point did he refer by name to either of the two men, who will learn their fate at an ethics committee meeting on Sunday.

News & Media

Independent

We may even refer by nickname to the informant who betrayed John Gotti: "Sammy the Bull," we say, as if that would be our greeting if we saw the man at the Olive Garden.

In addition, the bill would impose strict limits on independent advocacy groups that underwrite so-called issue ads that refer by name to candidates and are broadcast two months before an election.

News & Media

The New York Times

Miss Megawati did not refer by name to Mr Wahid, but claimed that Indonesia would become the "sickest man in Asia" if it did not resolve its political crisis.

News & Media

The Economist

firstly, a dynamic model of mast mechanism based on Newton-Euler method is established, then a hydraulic system model of mast mechanism based on power bond graph is built up, a set of optimal installation position parameters are got for designers to refer by analyzing and comparing the impact of the dynamic characteristics in lifting process by changing the installation position of mast mechanism.

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Human-verified similar examples from authoritative sources

Similar Expressions

35 human-written examples

The women were either self-referred, referred by female organizations, or referred by the Police, with the majority being referred by female organizations or self-referred.

The women were self-referred or referred by physicians.

Science

BMC Cancer

Private medical providers referred 92 (24.0%), 11 (2.9%) were self-referred, 8 (2.1%) were referred by friends, and 2 (0.5%) were referred by pharmacists.

Others were referred by the New York Association for New Americans.

They are referred by frontline care professionals.

News & Media

The Guardian
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Expert writing Tips

Best practice

Always double-check your phrasing to ensure grammatical accuracy. In most contexts, "referred by" is the correct choice when indicating a referral or recommendation.

Common error

Avoid using "refer by" when you mean "referred by". "Refer by" is rarely correct, while "referred by" indicates someone was directed or sent by another source.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

1.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "refer by" is grammatically questionable and often misused. Correct usage usually requires the passive form "referred by" to indicate a recommendation or direction. Ludwig indicates that the phrase is not a correct or usable phrase in written English.

Expression frequency: Uncommon

Frequent in

Science

33%

News & Media

33%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "refer by" is generally considered grammatically incorrect. Ludwig AI indicates that it's not a standard or usable phrase in written English. The correct and widely accepted alternative is "referred by", which signifies that someone or something was directed or recommended by another source. While examples of "refer by" exist, they are infrequent and often represent a misuse of the language. For clearer and more accurate communication, it's best to use alternatives like "mentioned by", "cited by", or "recommended by" depending on the specific context you are trying to convey. Using "referred by" or these alternatives will ensure your writing is grammatically sound and easily understood.

FAQs

When is it appropriate to use the phrase "refer by"?

The phrase "refer by" is generally considered grammatically incorrect in most contexts. A more appropriate alternative is "referred by", which indicates a recommendation or direction from one source to another.

What's the difference between "refer by" and "referred by"?

"Refer by" is typically not grammatically sound. "Referred by" is the passive form, meaning someone or something was directed or recommended by someone else.

What are some alternatives to saying "refer by"?

Depending on the context, you can use phrases like "mentioned by", "cited by", or "recommended by" instead of "refer by".

Is "refer by" grammatically correct in English?

No, "refer by" is generally not considered grammatically correct. The correct phrase is usually "referred by", which indicates a passive action of being directed or recommended.

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Real-world application tested

Most frequent sentences: