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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
uncertainties exist
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "uncertainties exist" is correct and usable in written English.
You can use it when discussing situations or topics where there are unknowns or variables that cannot be predicted with certainty. Example: "In scientific research, it is important to acknowledge that uncertainties exist in the data collected."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(3)
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
Different types of uncertainties exist in system data.
Still larger uncertainties exist regarding strategies for measurement.
The bounds of the uncertainties exist, but are unknown.
Science
But Exxon admits it still has reservations about the issue because certain "uncertainties" exist.
News & Media
Similar uncertainties exist about the number of civilian deaths attributable to the war.
Encyclopedias
"While I realize that macroeconomic uncertainties exist, we control many of the levers" necessary to build the business, he said.
News & Media
Methane is a strong greenhouse gas and large uncertainties exist concerning the future evolution of its atmospheric abundance.
Uncertainties exist in the ability of nondestructive evaluation (NDE) methods to detect and measure flaws.
Science
It has been recognized that a considerable amount of uncertainties exist in the damage detection process.
Science
The norm-bounded parameter uncertainties exist simultaneously in the state, output and white noise covariance matrices.
Science
Many engineering uncertainties exist in the prediction of integral abutment bridge (IAB) long-term behavior.
Science
Expert writing Tips
Best practice
When using "uncertainties exist", clearly define the specific areas or factors where the uncertainties are present to provide context and avoid ambiguity.
Common error
Avoid using "uncertainties exist" without specifying what the uncertainties relate to. Vague statements weaken your argument. Instead, state: "Uncertainties exist regarding long-term effects." to be specific.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
Uncertainties exist functions as a statement acknowledging the presence of unknown or unpredictable elements within a given context. It is commonly used to introduce a discussion of potential limitations or challenges, as confirmed by Ludwig's examples.
Frequent in
Science
76%
News & Media
13%
Formal & Business
11%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "uncertainties exist" is a grammatically sound and frequently used expression to acknowledge the presence of unknowns or unpredictable factors in various contexts. As Ludwig confirms, this phrase is particularly prevalent in scientific and academic writing, but also appears in news and media. When employing this phrase, it's important to provide specific context to avoid ambiguity. Alternatives include phrases like "there are uncertainties" or "ambiguities are present". Recognizing common usage patterns and potential pitfalls ensures clear and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
there are uncertainties
Changes from verb "exist" to "are" for more direct statement.
ambiguities are present
Replaces "uncertainties" with "ambiguities" focusing on lack of clarity.
doubts remain
Uses "doubts" to highlight the questioning nature of uncertainty.
unclear areas persist
Focuses on the continuing existence of areas lacking clarity.
unknowns are a factor
Highlights the impact of unknown elements.
risks are apparent
Shifts focus to the potential negative consequences of uncertainty.
questions are unresolved
Emphasizes that issues needing answers have not been settled.
inconsistencies are noted
Highlights a lack of uniformity or agreement.
gaps in knowledge exist
Specifically refers to missing information.
many things are not known
Simplifies the phrase to a basic statement of lacking knowledge.
FAQs
How can I use "uncertainties exist" in a sentence?
You can use "uncertainties exist" to acknowledge unknowns or variables that can't be predicted with certainty. For example: "In climate modeling, "uncertainties exist" regarding future emission scenarios".
What are some alternatives to "uncertainties exist"?
Alternatives include phrases like "there are uncertainties", "ambiguities are present", or "doubts remain", depending on the context.
Is it better to say "uncertainties exist" or "there are uncertainties"?
Both "uncertainties exist" and "there are uncertainties" are grammatically correct and convey a similar meaning. The choice depends on the desired tone and style of your writing.
What kind of situations would warrant mentioning that "uncertainties exist"?
"Uncertainties exist" is appropriately used in situations where data is incomplete, predictions are speculative, or outcomes are not guaranteed, such as in scientific research, economic forecasting, or risk assessment.
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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