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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
of which were
Grammar usage guide and real-world examplesUSAGE SUMMARY
"of which were" is correct and usable in written English.
You use it to refer to a noun that has already been mentioned, to show how the earlier noun was made up or what it was composed of. For example: I visited a number of cities in Europe, of which were Rome, Paris, and Madrid.
✓ Grammatically correct
News & Media
Science
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
47 human-written examples
Both of which were true.
News & Media
All of which were perfectly apt.
News & Media
"None of which were really good reasons".
News & Media
None of which were — to her disappointment, expressed emphatically — provided.
News & Media
She was in 16 plays, most of which were junk.
News & Media
Tells about Garvin's various accidents, most of which were slight.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
13 human-written examples
All of which is welcome.
News & Media
All of which is understandable.
News & Media
All of which is nonsense.
News & Media
All of which is good, of course.
News & Media
All of which is happening now.
News & Media
Expert writing Tips
Best practice
Use "of which were" to add details about parts of a previously mentioned whole, ensuring clarity and conciseness in your writing.
Common error
Ensure subject-verb agreement by using "of which were" when referring to plural nouns, and "of which was" when referring to singular nouns.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "of which were" functions as a relative clause introducing additional information about a previously mentioned noun. As Ludwig AI states, it shows how the earlier noun was made up or what it was composed of. The phrase establishes a partitive relationship.
Frequent in
News & Media
48%
Science
36%
Formal & Business
16%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "of which were" is a grammatically sound and frequently employed relative clause, primarily used to provide additional context about a previously mentioned group, specifically a subset within it. Ludwig AI confirms its correct usage in written English. Predominantly found in news, scientific, and formal business contexts, this phrase serves to clarify the composition or attributes of a part relative to the whole. Ensure subject-verb agreement and consult the provided alternatives to enhance clarity and precision in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
some of which were
Specifies that only a portion of the previously mentioned noun group possesses a certain characteristic.
many of which were
Indicates that a large number of the previously mentioned items share a specific attribute.
all of which were
Emphasizes that every item in the group had the characteristic in question.
most of them were
Replaces "of which" with a more direct pronoun reference while retaining similar meaning.
several of which were
Highlights that there are multiple items, but not a majority, with the stated quality.
a few of which were
Indicates a small subset of the larger group possesses the defined characteristic.
none of which were
States that no item from the previously mentioned noun group had the characteristic in question.
a proportion of which were
Uses a more formal term to express a part-to-whole relationship regarding the characteristic.
a percentage of which were
Quantifies the relationship using a percentage to show how many possessed the characteristic.
various of which were
Highlights the diverse nature of the subset exhibiting the described quality.
FAQs
How do I use "of which were" in a sentence?
Use "of which were" to specify a subset of a previously mentioned group. For example, "I read several books, all "all of which were" fascinating".
What can I say instead of "of which were"?
Alternatives include "some of which were", "many of which were", or ""all of which were" depending on the context.
Is it correct to say "of which was" instead of "of which were"?
The correct form depends on whether you are referring to a singular or plural noun. Use "of which was" for singular nouns and "of which were" for plural nouns.
What's the difference between "of which were" and "which were"?
"Of which were" is typically used to provide more information about a specific group mentioned earlier in the sentence, whereas "which were" may introduce a new clause. "Of which were" emphasizes a subset relation with something that has already been mentioned.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested