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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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that is by

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "that is by" is correct and usable in written English.
It can be used when introducing an explanation, as in this example sentence: I have grown to understand the importance of self-care, that is by taking time out for myself each day.

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

A decision that is, by the way, under appeal.

News & Media

Forbes

What an unforgettable image that is, by the way.

News & Media

Huffington Post

And it's a story that is by no means over.

News & Media

Huffington Post

That is by design.

News & Media

The New York Times

And that is by design.

News & Media

The New York Times

But that is by the by.

News & Media

The New Yorker

In most cases, that is by necessity.

Best, that is, by English standards.

News & Media

Independent

That is by no means guaranteed.

News & Media

The New York Times

Uncharted, that is, by European navigators.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

That is, by big -- and very often secret -- money.

News & Media

Huffington Post

Expert writing Tips

Best practice

When using "that is by", ensure the connection between the two parts of the sentence is clear and logical to avoid ambiguity.

Common error

Avoid using "that is by" in simple sentences where a direct explanation would be more concise. For example, instead of "The project succeeded, that is by hard work", write "The project succeeded due to hard work".

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 "that is by" serves as an explanatory connector. It introduces a clarification, method, or means by which something is accomplished, as seen in Ludwig's examples where it links a statement to its specific application or design.

Expression frequency: Very common

Frequent in

News & Media

69%

Science

19%

Academia

5%

Less common in

Formal & Business

3%

Reference

2%

Wiki

1%

Ludwig's WRAP-UP

In summary, the phrase "that is by" functions as a clear and effective way to introduce an explanation or method. Ludwig AI confirms its grammatical correctness and usability across various contexts, particularly in news, media, and scientific writing. While highly versatile, mindful application, especially avoiding overuse in simple sentences, will ensure clarity and precision in your writing.

FAQs

How can I use "that is by" in a sentence?

You can use "that is by" to introduce an explanation or clarification. For instance, "The problem was solved, "that is by" implementing a new strategy".

What's a more formal alternative to "that is by"?

A more formal alternative could be "that is achieved through" or "that results from", depending on the context.

Is it correct to start a sentence with "that is by"?

Starting a sentence with "that is by" is grammatically incorrect. It's typically used to connect and expand upon a previous clause.

Which is the difference between "that is by" and "that is because"?

"That is by" explains how something is done or achieved, while "that is because" explains the reason why something happened. They serve different explanatory purposes.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: