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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
have been characterized
Grammar usage guide and real-world examplesUSAGE SUMMARY
"have been characterized" is a correct and usable phrase in written English.
It is generally used when discussing the qualities or characteristics of a person, object, or situation that have been identified over a period of time. It indicates that the subject has been consistently described or defined in a certain way. Example: "The city's vibrant and diverse culture have been characterized by its colorful street art, bustling markets, and lively music scene."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(20)
have been discharged
have been assessed
have been corrected
have been investigated
have been criminalized
have been characterised
have received approval
have been resolved
have been elucidated
have been approved
have been attributed
have been eradicated
have been recognized
have been articulated
have been given the green light
have been liberated
have been labeled
have been designated
have been authorized
have been realised
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
The sensors have been characterized by d.c.
Structural and elastic properties have been characterized.
Science
Two of these polypeptides have been characterized.
Science & Research
Some auctions have been characterized as gimmicks.
News & Media
Downturns since 1978 have been characterized by stagflation.
News & Media
%. (five samples each) have been characterized.
Science
Among them, functions of 18 genes have been characterized previously.
Science
ZnO nanorods have been characterized by XRD, FESEM and EDXA.
Science
Several microbial proteases from the culturable organisms have been characterized.
Science
For example, all eight SFN mutations have been characterized.
Science
In anaerobic MOs, some dehalogenating enzymes have been characterized.
Expert writing Tips
Best practice
Use "have been characterized" when you want to emphasize that a detailed description or analysis has been performed over time or by multiple sources.
Common error
Avoid using "have been characterized" when the characterization is a one-time event or has not been fully established. In such cases, consider using "was characterized" or "is characterized" instead.
Source & Trust
79%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have been characterized" serves as a passive construction indicating that a subject has undergone a process of detailed description or analysis. Ludwig AI confirms its correctness and usability in written English. Examples show its use in describing properties of materials, genes, and even economic downturns.
Frequent in
Science
89%
Wiki
7%
News & Media
4%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "have been characterized" is a grammatically correct and frequently used phrase, particularly in scientific and formal contexts. Ludwig AI confirms its validity and highlights its role in describing subjects with identified attributes. As demonstrated by Ludwig's examples, the phrase often appears when detailed descriptions or analyses are presented. When using this phrase, ensure that the context aligns with its formal tone and that the characterization has been established through a thorough process. Alternatives such as "have been identified" or "have been described" can provide nuanced variations depending on your specific needs.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
have been identified
Focuses on the act of pinpointing or discovering specific elements or traits, differing from a comprehensive characterization.
have been described
Emphasizes the act of providing an account or explanation, which may not be as detailed as a full characterization.
have been defined
Stresses the establishment of precise boundaries or meanings, suggesting a more formal and rigid classification.
have been classified
Highlights the organization into specific groups or categories based on shared attributes.
have been labeled
Indicates the assignment of a specific name or designation, often for identification or categorization.
have been designated
Implies a formal assignment or appointment to a particular role or purpose.
have been assessed
Focuses on the evaluation or judgment of something's qualities or significance.
have been evaluated
Suggests a systematic examination to determine the value or importance.
have been investigated
Emphasizes a thorough inquiry or examination to uncover facts or information.
have been explored
Highlights the act of discovery and examination, often implying a less structured or defined approach.
FAQs
How can I use "have been characterized" in a sentence?
Use "have been characterized" to indicate that something has been described or identified with specific qualities or features over a period of time. For example, "The symptoms of the disease "have been characterized" by fever and fatigue".
What are some alternatives to "have been characterized"?
You can use alternatives like "have been identified", "have been described", or "have been defined" depending on the specific context and the nuance you want to convey.
Is it better to use active or passive voice with "have been characterized"?
The phrase is inherently passive. If you want to use an active voice, rephrase the sentence to focus on who or what did the characterizing. For example, instead of "The results "have been characterized" as significant", you could say "Researchers characterized the results as significant".
What's the difference between "have been characterized" and "are characterized"?
"Have been characterized" indicates a past action with ongoing relevance (present perfect passive), implying that the characterization occurred and continues to be valid. "Are characterized" (present passive) describes a current state or general truth.
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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
79%
Authority and reliability
4.5/5
Expert rating
Real-world application tested