Used and loved by millions
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
this primarily comprises
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this primarily comprises" is correct and usable in written English.
You can use it when describing the main components or elements that make up a particular subject or topic. Example: "The report on climate change indicates that this primarily comprises greenhouse gas emissions from industrial activities."
✓ Grammatically correct
Science
Academia
News & Media
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
This MSA primarily comprises receptors for which the natural ligand binding site is known or thought to be located within the 7-TM cavity, but also includes receptors the natural ligands of which bind to large N-terminal soluble ectodomains, such as the glycoprotein hormone receptor (GPHR) family of class A, and virtually all the members of class B and C GPCRs.
Science
In addition, this sample primarily comprises non-meditators.
The carbonate content ranges from 46%to88%8% and primarily comprises calcite, which favors the formation of intergranular and dissolution pores.
Education FLOSS primarily comprises educational institutions.
The target audience primarily comprises research experts in lean management, but the book may also be beneficial for practitioners alike.
Science & Research
The target audience primarily comprises research experts in control theory, but the book may also be beneficial for graduate students alike.
Science & Research
The target audience primarily comprises practitioners and research experts in the field, but the book may also be beneficial for graduate students.
Science & Research
The target audience primarily comprises research experts and practitioners in industry and academia, but the book may also be beneficial for graduate students alike.
Science & Research
The target audience primarily comprises researchers and experts in the field, but the book may also be beneficial for graduate students.
Science & Research
The target audience primarily comprises researchers interested in new theoretical approaches to biology, from physical, biological or philosophical backgrounds, but the book may also be beneficial for graduate students who want to enter this field.
Science & Research
Nursing staff, which primarily comprises women who are shift workers, were more likely to suffer headache and sleep problems [9, 10].
Expert writing Tips
Best practice
When using "this primarily comprises", consider if a more specific verb (e.g., "consists", "includes", "features") would enhance clarity in your context.
Common error
Avoid using "this primarily comprises" in contexts where simpler language would suffice; phrases like "this mainly includes" can improve readability without sacrificing precision.
Source & Trust
60%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this primarily comprises" functions as an introductory phrase to define the core components or elements that constitute a specific subject or topic. It is used to specify what something is mainly made of. According to Ludwig AI, the phrase is correct and usable in written English.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "this primarily comprises" is a grammatically correct and usable phrase used to introduce the main components or elements of a particular subject. Ludwig AI confirms its correctness. It's best suited for neutral to formal contexts such as scientific papers, reports, or professional documents where precise descriptions are necessary. While versatile, consider using simpler alternatives like "this mainly consists of" to enhance readability in less formal settings. This phrase has not been widely used yet, but this does not affect its correctness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
this mainly consists of
Changes the verb to "consists" and uses "mainly" instead of "primarily".
this is chiefly composed of
Substitutes "primarily" with "chiefly" and uses "composed" instead of "comprises".
this is largely made up of
Replaces "comprises" with "made up" and "primarily" with "largely".
this is predominantly formed by
Uses "predominantly" in place of "primarily" and "formed by" instead of "comprises".
this is mainly constituted of
Employs "constituted" as a synonym for "comprises" and "mainly" for "primarily".
this is principally comprised of
Reorders the phrase and uses "principally" instead of "primarily" before "comprised".
this essentially includes
Simplifies the phrasing to "essentially includes", focusing on inclusion rather than composition.
this is mostly composed of
Swaps "primarily" for "mostly" and "comprises" for "composed of".
this is fundamentally based on
Shifts the focus to the foundation of something, using "fundamentally based on" instead of "primarily comprises".
this is significantly characterized by
Focuses on the defining characteristics, using "significantly characterized by" instead of describing composition.
FAQs
How can I use "this primarily comprises" in a sentence?
Use "this primarily comprises" to introduce the main components or elements of something. For example, "The budget this primarily comprises funding for education and healthcare".
What are some alternatives to "this primarily comprises"?
Alternatives include "this mainly consists of", "this is chiefly composed of", or "this is largely made up of". Choose the one that best fits the context.
Is it better to say "this is primarily comprised of" or "this primarily comprises"?
"This primarily comprises" is generally more concise and direct. "This is primarily comprised of" is also correct but can be slightly more verbose.
What's the difference between "this primarily comprises" and "this mainly includes"?
"This primarily comprises" focuses on the main components that make up something, whereas "this mainly includes" suggests a list of items, not necessarily the core constituents.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
60%
Authority and reliability
4.1/5
Expert rating
Real-world application tested