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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
subjects on which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "subjects on which" is correct and usable in written English.
It can be used when referring to specific topics or areas of discussion or study. Example: "The research focuses on subjects on which there is limited existing literature."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(7)
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
58 human-written examples
There is a rising political consciousness in China, and one of the subjects on which the freest debate is allowed is the climate crisis.
News & Media
Obama's lack of transparency is one of the few subjects on which the editorial boards of the Wall Street Journal and New York Times agree.
News & Media
They deal with the subjects on which every fictional narrative, in one way or another, is based: love, mortality, wish-fulfillment, the battle between good and evil, our relationship to the natural world.
News & Media
These days, the handling of Islam is near the top of the long list of subjects on which the American consensus differs sharply, and increasingly, from the European one.A different viewTwo recent events have crystallised American views.
News & Media
Newcomers like me are interviewed several days in advance by one of Carson's "talent coördinators," who makes a list of the subjects on which you are likely to be eloquent or funny.
News & Media
Mentions some of the subjects on which the scientists spoke.
News & Media
There are a few subjects on which Wallerstein becomes righteously indignant.
News & Media
Hart knew a lot about the subjects on which he lobbied.
News & Media
These are subjects on which the country is divided and possibly always will be.
News & Media
The first surprise is the wide range of propaganda subjects on which bans are still enforced.
News & Media
Tells about the subjects on which he lectures, and the books he has written.
News & Media
Expert writing Tips
Best practice
Consider using simpler alternatives like "topics that" or "areas in which" for improved clarity, especially in informal writing.
Common error
Avoid using "subjects on which" in very informal contexts. It can sound overly formal and stilted. Opt for more conversational alternatives unless a formal tone is specifically desired.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "subjects on which" functions as a prepositional phrase modifying a noun or pronoun. It introduces a relative clause that specifies the "subjects" being discussed or considered. Ludwig AI indicates the phrase is correct and usable.
Frequent in
News & Media
45%
Science
25%
Encyclopedias
10%
Less common in
Formal & Business
8%
Reference
6%
Wiki
6%
Ludwig's WRAP-UP
In summary, the phrase "subjects on which" is a grammatically sound and frequently used prepositional phrase, predominantly found in news, scientific, and encyclopedia-based content. As Ludwig AI confirms, it is suitable for introducing relative clauses that specify the topics under discussion or analysis. While versatile, it tends towards a neutral to formal register. For informal communication, consider using simpler alternatives like "topics that" or "areas in which". By understanding its function, purpose, and register, writers can effectively utilize "subjects on which" to enhance clarity and precision in their writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
topics that
Replaces "subjects on which" with a more direct and common phrasing.
areas in which
Substitutes "subjects" with "areas", broadening the scope to include fields or domains.
matters regarding which
Uses "matters" instead of "subjects", suggesting a more formal or serious tone.
issues that
Replaces "subjects" with "issues", focusing on problems or points of contention.
themes that
Replaces "subjects" with "themes", emphasizing overarching ideas or motifs.
areas where
Similar to "areas in which", but uses "where" for a slightly less formal tone.
points on which
Replaces "subjects" with "points", highlighting specific items or details.
aspects relating to
Shifts the focus to "aspects", emphasizing different facets or perspectives.
concerns about which
Substitutes "subjects" with "concerns", highlighting matters of worry or importance.
fields where
Replaces "subjects" with "fields", indicating specific domains or disciplines.
FAQs
How can I use "subjects on which" in a sentence?
You can use "subjects on which" to introduce topics being discussed or analyzed, like in the sentence, "The report focuses on "subjects on which" there is limited existing research."
What are some alternatives to "subjects on which"?
Alternatives include "topics that", "areas in which", or "issues that", depending on the specific context and desired level of formality.
Is it correct to say "subjects that" instead of "subjects on which"?
While "subjects that" is grammatically correct and commonly used, "subjects on which" is more formal and can be appropriate in academic or professional writing. The choice depends on the context and desired tone.
What's the difference between "subjects on which" and "topics on which"?
"Subjects on which" and "topics on which" are largely interchangeable. "Subjects" may imply a slightly broader or more academic focus compared to "topics".
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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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested