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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

is of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase 'is of' is not correct or usable in written English.
Instead, 'is comprised of' or 'consists of' can be used in its place. For example: The team is comprised of six players.

⚠ May contain grammatical issues

News & Media

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

As is, of course.

News & Media

The New York Times

There is, of course.

News & Media

Independent

Family is of utmost importance.

News & Media

The New York Times

Not everyone is, of course.

News & Media

The New York Times

Ohuruogo is of Nigerian descent.

News & Media

The New York Times

"Speed is of the essence.

News & Media

The New York Times

It still is, of course.

News & Media

The Economist

The image is of chromosomes.

News & Media

The New Yorker

It is of the moment.

News & Media

Independent

This is of course correct.

News & Media

The Economist

This is of little importance.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

Replace "is of" with grammatically correct alternatives such as "consists of", "is made of", or "comprises" to ensure clarity and accuracy in your writing. This substitution enhances the professionalism and credibility of your communication.

Common error

Avoid using "is of" when describing the composition or origin of something. Instead, use alternatives like "is made of" or "originates from" to maintain grammatical correctness. For example, instead of saying "The house is of brick", say "The house is made of brick".

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

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is of" functions as a linking verb followed by a preposition. However, according to Ludwig AI, this construction is often grammatically incorrect and needs to be replaced with more appropriate alternatives to accurately describe composition, origin, or attributes.

Expression frequency: Very common

Frequent in

News & Media

41%

Wiki

29%

Encyclopedias

14%

Less common in

Science

9%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "is of" is frequently encountered in diverse sources like news articles, encyclopedias, and wikis. Despite its common usage, Ludwig AI identifies the phrase as grammatically incorrect and advises replacing it with clearer, more precise alternatives such as "consists of", "is made of", or "originates from". While "is of" attempts to describe composition, origin, or attributes, these alternatives enhance clarity and grammatical correctness, crucial for professional and academic writing.

FAQs

What can I say instead of "is of"?

You can use alternatives like "consists of", "is made of", or "comprises" depending on the context.

Is "is of" grammatically correct?

No, "is of" is generally considered grammatically incorrect in most contexts. It should be replaced with more appropriate phrases such as "is composed of" or "originates from".

How do I use "consists of" instead of "is of"?

Instead of saying "The team is of five members", you should say "The team consists of five members". This phrasing is grammatically correct and clearly conveys the meaning.

When can I use "originates from" as an alternative to "is of"?

You can use "originates from" when describing the source or beginning of something. For example, instead of "The tradition is of ancient origin", you can say "The tradition originates from ancient times".

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Source & Trust

84%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: