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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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this is is

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "this is is" is not correct in written English.
It appears to be a typographical error or a repetition of the word "is." Example: "This is is a common mistake in writing."

⚠ May contain grammatical issues

News & Media

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

55 human-written examples

Why this is is not known.

News & Media

The New Yorker

And this is is the Dunbar number!

All this is is a good start.

This is is outrageous, says Power.

News & Media

The Guardian

This is is how it works.

News & Media

The Guardian

This is is first ministerial job.

News & Media

The Guardian
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

5 human-written examples

But this is being overcome.

News & Media

The Economist

This is being scored?

News & Media

The New Yorker

This is being fixed.

This is being inclusive.

News & Media

The Guardian

This is being done in two ways.

News & Media

The Economist

Expert writing Tips

Best practice

Always proofread your writing to catch accidental repetitions such as "this is is". Use grammar checking tools to help identify these errors.

Common error

Be mindful of unintentionally repeating words or phrases. If you find yourself writing "this is is", pause and ensure the second "is" is necessary. More often than not, it's a simple typo.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "this is is" primarily functions as a declarative statement, attempting to identify or describe something. However, due to its repetitive nature, it is grammatically incorrect and ineffective in conveying its intended meaning. As noted by Ludwig, this is often a typographical error.

Expression frequency: Very common

Frequent in

News & Media

64%

Academia

10%

Wiki

9%

Less common in

Science

4%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "this is is" is a common error in written English, typically arising from a typographical mistake or momentary lapse in attention. While Ludwig's analysis reveals its prevalence across diverse sources like News & Media, Academia, and Wiki entries, it's essential to recognize its grammatical incorrectness. As Ludwig AI explains, this repetition detracts from clarity and should be corrected to "this is" or a more suitable alternative depending on the context. By understanding this common error and applying careful proofreading, writers can ensure accuracy and credibility in their communication.

FAQs

What is the correct way to use "this is is"?

The phrase "this is is" is generally incorrect and considered a typographical error. The correct form is usually just "this is". For example, instead of "This is is a mistake", you should write "This is a mistake".

When might "this is is" be acceptable?

While generally incorrect, "this is is" might appear in informal speech or writing, especially if someone is emphasizing a point or correcting themselves. However, it is best to avoid it in formal contexts. Consider alternatives like "this really is" for emphasis.

What are some alternatives to "this is"?

Depending on the context, you can use alternatives such as "this represents", "this constitutes", or simply rephrase the sentence to avoid the phrase altogether.

Is "this is is" ever grammatically correct?

No, "this is is" is almost never grammatically correct. It's typically a mistake where the word "is" is inadvertently repeated. Always proofread and correct it to "this is" or use a more appropriate phrase.

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Source & Trust

85%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: