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 is comprised
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this is comprised" is not correct in standard English usage.
The correct form is "this comprises" or "this is composed of." Example: "This project is comprised of several key components that work together to achieve our goals."
⚠ May contain grammatical issues
Science
Academia
News & Media
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
12 human-written examples
All this is comprised in a so-called security policy, which is often treated as an after-thought.
Science
This is comprised of two observable components, mean absolute pointing error (±6 ′′, per-axis) and intra-observation drift (±2 ′′, per-axis).
Academia
This is comprised of a thin imprinted film exploiting an abrasive immobilization of functionalized multi-walled carbon nanotubes on the tip of a pencil graphite electrode.
Science
This is comprised of two dimensions: influence and level of interest.
News & Media
This is comprised of X-ray amorphous nano-grains with <3 nm dimensions that are encapsulated by non-crystalline SiO2.
Science
This is comprised of rotational kinetic energy (which we will shortly treat) plus all the general vibrational (atomic) kinetic energy is what we would call heat.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
This was comprised primarily of movements of sheep and cattle.
Science
This paper is comprised of three parts.
Science
This study is comprised of two sections.
This series is comprised of six online courses (listed below).
Academia
Fortunately, this administration is comprised of many individuals with incredible expertise in these areas.
News & Media
Expert writing Tips
Best practice
Prefer using "this comprises" or "this is composed of" for grammatical correctness and clarity. These alternatives are widely accepted in formal writing.
Common error
While "comprised of" is often mistakenly used, it's grammatically incorrect. Instead, use "composed of" or simply "comprises". For example, write 'The team comprises five members' instead of 'The team is comprised of five members'.
Source & Trust
87%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is comprised" functions as a descriptive statement, aiming to specify the components or elements that constitute something. While its intent is clear, Ludwig AI indicates that standard English prefers alternative phrasing.
Frequent in
Science
44%
Academia
31%
News & Media
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, while the phrase "this is comprised" is used, it's considered grammatically incorrect in standard English. Ludwig AI suggests opting for alternatives like "this comprises" or "this is composed of" to maintain clarity and correctness. The phrase appears across various contexts, including Science, Academia, and News & Media, though its frequency is relatively uncommon. To ensure polished and accurate writing, it's advisable to favor grammatically sound alternatives. Always consider the register and audience when making your choice.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
this comprises
Replaces the passive voice "is comprised" with the active voice "comprises", which is grammatically correct.
this is composed of
Offers a grammatically sound alternative using the passive voice with "composed of".
this consists of
Provides a direct and grammatically accepted way to indicate what something includes.
this includes
Presents a simple and clear alternative that directly states what something contains.
this is made up of
Uses a more informal, yet grammatically correct, way to describe the composition of something.
this encompasses
Indicates that something includes a wide range of elements or aspects.
this contains
Uses a straightforward verb to state that something holds particular elements.
this features
Highlights specific aspects or characteristics that are part of something.
this incorporates
Suggests that certain elements are integrated or combined into something.
this embodies
Implies that something is a tangible or concrete representation of certain qualities or elements.
FAQs
Is it correct to say "this is comprised of"?
No, the grammatically correct alternatives are "this comprises" or "this is composed of". "Comprised of" is a common error.
What's the difference between "this comprises" and "this is composed of"?
"This comprises" uses the active voice, while "this is composed of" uses the passive voice. Both are grammatically correct, but "this comprises" is often more direct and concise.
What can I use instead of "this is comprised"?
Alternatives include "this consists of", "this includes", or "this is made up of", depending on the context. Always aim for grammatical correctness and clarity.
How do I use "this comprises" in a sentence?
You can use "this comprises" to directly state what something consists of. For example: "This report comprises data from three different studies."
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
87%
Authority and reliability
3.2/5
Expert rating
Real-world application tested