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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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which are of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "which are of" is correct and usable in written English.
It can be used to specify or describe the nature or characteristics of something in a more formal context. Example: "The documents, which are of great importance, must be reviewed carefully."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

This structure has novel features which are of considerable biological interest".

It also boasts plentiful offshore fishing banks, which are of particular interest to European trawler fleets.

Mr. Whalen has his duties which are of equal importance to anything I'm doing".

News & Media

The New Yorker

Then Yosuke showed us the toilets, which are of the composting variety.

These are limits, informal rules – which are, of course, to be bent and broken.

News & Media

The Guardian

Spread footings are used, as are pile foundations, which are of two types, bearing and friction.

These storms, which are of three to four hours duration, are called haboobs.

Eight gates, seven of which are of Classical derivation, pierce the walls.

Approximately 100 streams flow into the lake, only a few of which are of appreciable size.

Which are, of course, two words that may apply to mezcal.

News & Media

Independent

"Everything's happening so quickly at the moment… There are certain things I'm looking at which are of interest to us.

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Expert writing Tips

Best practice

Use "which are of" to introduce a nonrestrictive clause that provides additional, nonessential information about the noun it modifies. Make sure to set off the clause with commas.

Common error

Avoid using "which are of" in restrictive clauses where the information is essential to the meaning of the sentence. In such cases, use "that are of" or rephrase the sentence for better clarity.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "which are of" functions as a relative clause introducing additional, non-essential information about a noun or pronoun. It provides further description or detail. Ludwig's examples illustrate its use in various contexts, adding descriptive elements to the main subject.

Expression frequency: Very common

Frequent in

Science

41%

News & Media

32%

Encyclopedias

13%

Less common in

Wiki

5%

Formal & Business

3%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "which are of" introduces nonrestrictive clauses, adding extra information to a sentence. Ludwig AI confirms its grammatical correctness and widespread use across different contexts. The analysis reveals it's most commonly found in scientific and journalistic writing. When using this phrase, remember to set off the clause with commas and ensure it provides non-essential details. If the information is crucial, consider using "that" or rephrasing. Alternatives like "that consist of" or "that pertain to" may also be suitable depending on the specific context.

FAQs

How do I use "which are of" in a sentence?

Use "which are of" to introduce nonrestrictive clauses, providing extra details that aren't essential to the sentence's main meaning. For example: "The books, "which are of" great value, were donated to the library."

What's the difference between "which are of" and "that are of"?

"Which are of" introduces nonrestrictive clauses, set off by commas, while "that are of" introduces restrictive clauses that are essential to the sentence's meaning. The choice depends on whether the clause is providing extra, nonessential information or defining the noun it modifies.

Can I omit "which are of" from a sentence?

Yes, in some cases, you can rephrase the sentence to avoid "which are of" for a more concise style. For example, instead of "The issues, "which are of" concern, need addressing," you could say "The concerning issues need addressing."

What are some alternatives to using "which are of"?

Alternatives include phrases like "that consist of", "that pertain to", or rephrasing to use a more direct construction, depending on the specific context.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: