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
are formed from
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are formed from" is correct and usable in written English.
It can be used to describe the composition or origin of something, indicating what materials or elements make up a particular object or concept. Example: "The sculptures are formed from recycled materials, showcasing the artist's commitment to sustainability."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
60 human-written examples
Graphics are formed from simple mosaics.
Encyclopedias
Concepts are formed from specific examples.
Academia
They are formed from diamines and dianhydrides.
Its window mullions are formed from winged euonymus twigs.
News & Media
The walls are formed from slatted wood panels.
News & Media
How gravitational waves are formed from colliding celestial objects.
News & Media
All of the soils are formed from volcaniclastic rock.
Science & Research
Polyurethanes are formed from methylenedianiline via its diisocyanate.
Encyclopedias
Scientists believe that stars are formed from collapsed molecular clouds.
News & Media
(Many Korean surnames are formed from a single Chinese character).
News & Media
We also know the Ghosts are formed from the remnants of various US special forces outfits.
News & Media
Expert writing Tips
Best practice
When describing the composition of abstract concepts or ideas, consider using "are formed from" to emphasize the foundational elements that contribute to the overall understanding. For example: "Philosophical arguments are formed from logical reasoning and empirical evidence."
Common error
Avoid using "formed from" when "formed by" is more appropriate. "Formed from" indicates the materials or components something is made of, while "formed by" indicates the agent or process that creates it. For example, say "The canyon was formed by erosion" not "The canyon was formed from erosion".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are formed from" functions as a copular verb construction indicating the composition or constituents of a subject. As shown by Ludwig, it connects a subject with its constituent elements, describing what it is made of.
Frequent in
Science
40%
News & Media
35%
Encyclopedias
20%
Less common in
Academia
5%
Wiki
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "are formed from" is a grammatically sound and very common expression used to describe the composition or origin of something. According to Ludwig, it functions as a copular verb construction, connecting a subject with its constituent elements. It's versatile enough for neutral contexts, appearing frequently in science, news, and encyclopedic sources. When writing, remember that "are formed from" refers to the materials or components of something, unlike "formed by", which indicates the agent or process of creation. Alternatives include "are created from", "are made of", and "are composed of". As Ludwig AI also highlights, the phrase is correct and usable in written English.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are created from
Replaces "formed" with "created", emphasizing the act of bringing something into existence.
are made of
Focuses on the materials or components used in the construction of something.
are composed of
Emphasizes the elements that constitute something as a whole, suggesting a structured arrangement.
are constructed from
Highlights the process of building or assembling something from various parts.
are derived from
Indicates the origin or source from which something is obtained or developed.
originate from
Focuses on the starting point or beginning of something.
stem from
Suggests that something arises or develops as a consequence of something else.
result from
Highlights the cause-and-effect relationship where something is a consequence of something else.
arise out of
Implies that something emerges or comes into existence as a result of something else.
are the product of
Emphasizes that something is the outcome or result of a process or combination of factors.
FAQs
How can I use "are formed from" in a sentence?
Use "are formed from" to indicate the constituent materials or elements of something. For instance, "Mountains are formed from tectonic plate collisions" or "Clouds are formed from water vapor".
What can I say instead of "are formed from"?
You can use alternatives like "are created from", "are made of", or "are composed of" depending on the specific context.
Is it correct to say "are formed from" instead of "are formed by"?
The choice depends on the context. "Are formed from" describes the materials something is made of, while "are formed by" describes the process or agent that creates it. For example, "Glass is formed from sand" versus "The valley is formed by glaciers".
What's the difference between "are formed from" and "are derived from"?
"Are formed from" indicates the components or materials that make up something, whereas "are derived from" suggests that something originates or is obtained from a particular source. For example, "Bricks are formed from clay", while "Knowledge is derived from experience".
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested