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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
are illustrated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are illustrated" is correct and usable in written English.
It can be used when describing how something is depicted or shown, often in the context of visual representations or examples. Example: "The key concepts of the theory are illustrated in the accompanying diagrams."
✓ Grammatically correct
Science
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
60 human-written examples
None are illustrated in "Cars".
News & Media
The grim prophecies are illustrated with statistics.
News & Media
Four examples are illustrated in the figure.
Encyclopedias
These facts are illustrated by recent events.
News & Media
The difficulties are illustrated in her publication.
News & Media
His travels are illustrated with expansive clarity.
News & Media
-- are illustrated clearly but with little flair.
News & Media
Applications are illustrated.
paving plates are illustrated.
Examples are illustrated.
Numerical examples are illustrated.
Expert writing Tips
Best practice
Use "are illustrated" to clearly indicate that something is being visually represented or explained through examples in figures, diagrams, or images.
Common error
Avoid using "are illustrated" when referring to purely abstract or theoretical concepts that are not actually depicted visually. Instead, use phrases like "are explained" or "are described".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are illustrated" functions as a passive voice construction, indicating that a subject is being visually represented or clarified through examples, figures, or images. As seen in Ludwig, this construction is commonly used to direct the reader's attention to visual aids that support the text.
Frequent in
Science
78%
News & Media
20%
Encyclopedias
2%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "are illustrated" is a grammatically sound and frequently used passive construction that serves to indicate visual representation or clarification through examples. Ludwig AI confirms its widespread application across various domains, particularly in scientific and news contexts. To ensure clarity and precision in writing, it's important to use "are illustrated" when visual aids genuinely support the text, and to consider alternative expressions like "are depicted" or "are shown" depending on the nuance you wish to convey. Remember to avoid overusing the phrase with abstract concepts that are not visually depicted.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are depicted
Emphasizes visual representation in a more general sense.
are shown
A simpler and more direct way to indicate visual presentation.
are demonstrated
Focuses on showing or proving something through examples or evidence.
are exemplified
Highlights that something is being shown as a typical example.
are portrayed
Implies a more artistic or interpretative representation.
are represented
Suggests a symbolic or abstract form of depiction.
are clarified
Focuses on making something easier to understand, often through examples.
are highlighted
Emphasizes that certain aspects are being brought to attention.
are outlined
Suggests a structured and organized presentation of information.
are presented
A formal way of indicating that something is being shown or offered.
FAQs
How can I use "are illustrated" in a sentence?
You can use "are illustrated" to indicate that something is being visually represented or explained through examples in figures, diagrams, or images. For example, "The key findings "are illustrated" in Figure 1."
What are some alternatives to "are illustrated"?
Alternatives to "are illustrated" include "are depicted", "are shown", or "are exemplified". The best choice depends on the specific context and the type of representation being described.
Is it appropriate to use "are illustrated" when referring to abstract concepts?
It is generally not appropriate to use "are illustrated" when referring to purely abstract or theoretical concepts. Use phrases like "are explained" or "are described" instead.
Which is correct, "are illustrated" or "is illustrated"?
"Are illustrated" is used with plural subjects, while "is illustrated" is used with singular subjects. For example, "The examples are illustrated" (plural) versus "The example is illustrated" (singular).
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested