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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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this is a

Grammar usage guide and real-world examples

USAGE SUMMARY

"this is a" can be used in written English.
For example, you might use it to introduce something, such as "This is a great new restaurant."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

This is a studio.

News & Media

The New Yorker

This is a fantasy.

News & Media

The New York Times

This is a tradition".

News & Media

The New York Times

"This is a pattern.

News & Media

The New York Times

This is a puzzle.

News & Media

The Economist

"This is a bet.

News & Media

The New Yorker

This is a misunderstanding.

News & Media

Independent

This is a prototype.

This is a foul.

News & Media

Independent

"This is a trio".

News & Media

The New Yorker

This is a slugfest.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "this is a" to clearly introduce or define something, ensuring the context provides enough information for understanding.

Common error

Avoid starting too many sentences with "this is a" in the same paragraph, especially in formal writing. Vary sentence structure to maintain reader engagement and avoid sounding repetitive.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

91%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "this is a" primarily functions as a declarative statement, introducing or defining a subject. It provides a basic assertion, similar to the examples Ludwig AI provided, such as "This is a studio" or "This is a fantasy".

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Science

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "this is a" is a versatile phrase used to introduce, define, or categorize a subject. Ludwig AI indicates that the phrase is grammatically correct and sees widespread use in various forms of written English, mainly appearing in news and media. While fundamentally sound, overuse in formal contexts can lead to repetitiveness, so varied sentence structures are preferable. Related phrases like "this represents a" or "it's an" can provide alternative ways to express similar ideas. The phrase is very common and suitable for neutral registers, offering clarity and directness in communication.

FAQs

How can I use "this is a" in a sentence?

Use "this is a" to introduce a definition, explanation, or observation. For example, "This is a crucial step in the process" or "This is a common misconception".

What are some alternatives to "this is a"?

Depending on the context, you can use phrases like "this represents a", "this constitutes a", or "it's an".

Is it correct to start a formal essay with "this is a"?

While grammatically correct, starting an essay frequently with "this is a" can sound repetitive. Opt for stronger, more varied sentence openings to enhance formality and sophistication.

What is the difference between "this is a" and "that is a"?

"This is a" typically refers to something nearby or currently under discussion, while "that is a" refers to something further away or previously mentioned. The choice depends on the context and proximity.

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Source & Trust

91%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: