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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
assumed to be
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "assumed to be" is correct and usable in written English.
You can use this phrase when you are suggesting that something is probably true based on the available information, but not proven or confirmed. For example: The animal was assumed to be a wolf, but DNA testing confirmed that it was actually a coyote.
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
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
It was merely assumed to be invincible.
Encyclopedias
Energy storage is assumed to be unavailable.
The preferences are assumed to be transitive.
Academia
Dogs and cats assumed to be proficient.
Academia
The mask is assumed to be centered.
Academia
They are assumed to be discarded pets.
News & Media
The ridge was assumed to be natural.
News & Media
It is assumed to be unchangeable.
News & Media
"It's assumed to be pejorative," he says.
News & Media
He is assumed to be completely genuine.
News & Media
They are assumed to be true absolutely.
News & Media
Expert writing Tips
Best practice
When using "assumed to be", ensure the context provides a basis for the assumption, even if it's not explicitly stated. This adds credibility to your writing.
Common error
Avoid presenting something "assumed to be" true as an established fact. Always maintain a level of uncertainty and be prepared to provide supporting evidence or acknowledge alternative possibilities.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "assumed to be" functions as a passive verb phrase, indicating that a subject is being regarded or accepted as having a particular quality or state, typically without concrete proof. As Ludwig AI confirms, it is a valid and commonly used construction.
Frequent in
Science
38%
News & Media
35%
Academia
12%
Less common in
Encyclopedias
2%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "assumed to be" is a versatile expression used to indicate that something is taken for granted or supposed without definitive proof. As Ludwig AI confirms, the phrase is correct and widely used in written English. Grammatically functioning as a passive verb phrase, it appears most frequently in scientific and news contexts, with a neutral to formal tone. When using "assumed to be", it's crucial to ensure that the context provides some basis for the assumption, and to avoid presenting it as an established fact. Alternatives include "presumed to be", "believed to be", and "considered to be", each carrying subtle nuances in meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Presumed to be
Emphasizes a stronger degree of likelihood or legal presumption.
Taken to be
Suggests acceptance or agreement, often without explicit proof.
Considered to be
Implies a more thoughtful or deliberate evaluation leading to the assumption.
Understood to be
Highlights a mutual or shared agreement or interpretation.
Believed to be
Focuses on personal conviction or faith rather than objective evidence.
Supposed to be
Indicates an expectation or plan, rather than a firm belief.
Deemed to be
Suggests a formal or official judgment or assessment.
Hypothesized to be
Emphasizes the tentative and speculative nature of the assumption, typical in scientific contexts.
Inferred to be
Highlights the role of reasoning and deduction in arriving at the assumption.
Conjectured to be
Indicates a guess or speculation based on incomplete evidence.
FAQs
How to use "assumed to be" in a sentence?
Use "assumed to be" when you want to express that something is taken for granted or supposed without proof. For example: "The missing person is "assumed to be" traveling abroad".
What can I say instead of "assumed to be"?
You can use alternatives like "presumed to be", "believed to be", or "considered to be" depending on the context.
Which is correct, "assumed to be" or "assume to be"?
"Assumed to be" is the correct passive form to use when something is being taken for granted. "Assume to be" is grammatically incorrect in most contexts.
What's the difference between "assumed to be" and "supposed to be"?
"Assumed to be" implies a belief or acceptance without proof, while "supposed to be" suggests an expectation, obligation, or plan. For example: "The meeting is "supposed to be" at 2 PM" versus "The cause of the fire is "assumed to be" arson".
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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