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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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prepared by

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "prepared by" is correct and usable in written English.
It is used when someone has prepared something, typically a report or other document. For example: "This report was prepared by John Smith."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Who's it been prepared by?

News & Media

The New York Times

Prepared by Jiro Ono, of course.

News & Media

The New York Times

A speech prepared by Major General Ben.

News & Media

The New Yorker

Shopping list prepared by Tracy York.

News & Media

The New Yorker

(Recipes prepared by Hank Tomashevski).

That report, prepared by Maj.

News & Media

The New York Times

"This report was prepared by Russian patriots.

News & Media

The Guardian

The list is prepared by Transparency International.

News & Media

The New York Times

Literary notes were prepared by the gross.

News & Media

The New Yorker

I prepared by doing some reading.

The poison prepared by Meguerba is colourless.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

When attributing work, use "prepared by" followed by the name of the person, group, or organization responsible for its creation. This clearly indicates authorship or responsibility.

Common error

Avoid using "prepared by" when you mean "prepared for". "Prepared by" indicates the author, while "prepared for" indicates the recipient or intended audience.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "prepared by" functions as a prepositional phrase that identifies the agent or entity responsible for creating, organizing, or compiling something. Ludwig examples show its use in various contexts, from scientific reports to news articles.

Expression frequency: Very common

Frequent in

Science

35%

News & Media

30%

Formal & Business

15%

Less common in

Wiki

10%

Reference

5%

Encyclopedias

5%

Ludwig's WRAP-UP

The phrase "prepared by" is a common and grammatically correct way to indicate the author or creator of something. Ludwig AI confirms its validity. It is frequently used in science, news, and formal business contexts to attribute responsibility. While it is generally neutral to formal, it can be adapted for various situations. Remember to use it to clearly specify who created the work, avoiding confusion with "prepared for", which indicates the intended audience.

FAQs

How to use "prepared by" in a sentence?

Use "prepared by" to indicate the author or creator of something, such as "The report was "prepared by" the research team."

What can I say instead of "prepared by"?

You can use alternatives like "created by", "authored by", or "compiled by" depending on the context.

Is it correct to say "the presentation was prepared for" instead of "the presentation was prepared by"?

Yes, but they have different meanings. "Prepared for" indicates the intended audience, while ""prepared by"" indicates the creator.

What's the difference between ""prepared by"" and "compiled by"?

"Prepared by" is a general term for creating something. "Compiled by" specifically suggests gathering information from multiple sources.

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Source & Trust

82%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: