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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
it is not certain that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is not certain that" is correct and usable in written English.
It is used to express doubt about the likelihood of something being true or happening. For example, "It is not certain that the new drug will have the desired effect on patients."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
it is doubtful that
it is uncertain whether
it remains to be seen if
it is impossible that
it is questionable whether
it's not clear whether
the outcome is not assured
it is unlikely that
it is improbable that
it is not impossible that
it is not obvious that
it is not accurate that
it is optional that
it is not required that
it is not appropriate that
it is not necessarily that
it is not assured that
it is unnecessary that
it is not specified that
it is not mandatory that
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
57 human-written examples
"But it is not certain, that is for sure".
News & Media
While TAAR1 is inactivated in dogs, it is not certain that its function has been lost.
Science
It is not certain that they will next time.
News & Media
It is not certain that any now do.
News & Media
It is not certain that Mr Bush will think so.
News & Media
Yet it is not certain that Europe could be effective.
News & Media
It is not certain that they have a common origin.
Encyclopedias
But it is not certain that can be done.
News & Media
It is not certain that he will play Wednesday.
News & Media
But it is not certain that they will succeed.
News & Media
It is not certain that doing more will achieve more.
News & Media
Expert writing Tips
Best practice
When expressing uncertainty, ensure that the context provides enough information for the reader to understand the basis of the doubt. For example, instead of simply stating "It is not certain that the project will succeed", elaborate with "It is not certain that the project will succeed, given the current budget constraints".
Common error
Avoid overuse of passive constructions when using "it is not certain that". Instead of "It is not certain that a decision will be made", consider a more direct formulation like "The committee is not certain whether to make a decision", which enhances clarity and engagement.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is not certain that" functions as a hedge, softening a statement and expressing uncertainty. As demonstrated by Ludwig, the phrase is frequently used to introduce an element of doubt or possibility.
Frequent in
News & Media
42%
Science
37%
Encyclopedias
7%
Less common in
Wiki
3%
Formal & Business
2%
Social Media
0%
Ludwig's WRAP-UP
The phrase "it is not certain that" serves as a hedge, expressing uncertainty or doubt across various contexts. As Ludwig AI confirms, it's grammatically correct and widely used. Our analysis reveals its prominence in News & Media and Science, highlighting its utility in qualifying statements. Related phrases like "it is doubtful that" and "it remains to be seen if" offer nuanced alternatives. While avoiding overuse of the passive voice is recommended, the phrase remains a valuable tool for conveying tentativeness in both formal and informal writing. As Ludwig's examples reveal, the phrase has high utility and adaptability.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is uncertain whether
Replaces "certain" with "uncertain", focusing specifically on doubt about a binary outcome.
it is doubtful that
Uses "doubtful" to express a stronger sense of skepticism.
it is questionable whether
Highlights the debate or controversy surrounding the certainty.
it remains to be seen if
Emphasizes that the outcome is yet to be determined and will become clear over time.
it's not clear whether
Uses "clear" to suggest a lack of clarity or understanding.
the outcome is not assured
Focuses on the lack of guarantee or assurance about the result.
there's no guarantee that
Directly states the absence of a guarantee.
it is unlikely that
Indicates a low probability of something happening.
it is improbable that
Suggests an even lower probability than "unlikely".
it's open to question if
Highlights that the matter is still under discussion and not definitively settled.
FAQs
How can I use "it is not certain that" in a sentence?
The phrase "it is not certain that" is used to express uncertainty or doubt about a future event or a present situation. For example, "It is not certain that the meeting will take place" indicates doubt about the meeting happening.
What are some alternatives to "it is not certain that"?
You can use alternatives such as "it is doubtful that", "it is uncertain whether", or "it remains to be seen if" depending on the level of uncertainty you want to convey.
Is "it is not certain that" formal or informal?
"It is not certain that" is generally considered neutral and can be used in both formal and informal contexts. However, in very informal settings, you might opt for simpler phrases like "I'm not sure that".
What's the difference between "it is not certain that" and "it is impossible that"?
"It is not certain that" implies a degree of doubt or uncertainty, while "it is impossible that" suggests that something cannot happen under any circumstances. The first expresses doubt; the second, impossibility.
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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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested