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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
is now certain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is now certain" is correct and usable in written English.
You can use it to indicate that something has been confirmed or established as true at the present moment. Example: "After reviewing all the evidence, it is now certain that the project will be completed on time."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(4)
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
Given its bankruptcy, that is now certain to happen.
News & Media
He is now certain that he will continue his career.
News & Media
It is now certain that soil evolution will be strongly influenced by climate change.
Science
Mr. Kempfert is now certain that his father, William Macumber, is innocent.
News & Media
It is now certain that this style goes back to the 2nd century ce.
Encyclopedias
It is now certain that effective silica scale inhibition is dependent on the cationic charge on the polymer backbone.
What is now certain is that too much hope was invested in Mr Mueller.
News & Media
In effect, the party's crisis is now certain to last until its convention in April.
News & Media
It is a deadline that is now certain to be missed.Deadlines are always missed in trade negotiations.
News & Media
One thing, however, is now certain: Sergeant Bales's court-martial will be held in the United States.
News & Media
British Energy plans to build four new reactors in Britain and is now certain to choose Areva's EPR.
News & Media
Expert writing Tips
Best practice
Use "is now certain" to clearly and confidently state a fact that has been established or confirmed. It adds a sense of finality to your statement.
Common error
Avoid using "is now certain" in casual conversations or informal writing where a more relaxed tone is appropriate. It can sound overly formal or assertive.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is now certain" functions as an assertive expression, indicating a definitive confirmation or a state of established knowledge. As Ludwig AI confirms, the usage is grammatically correct and usable in written English. Examples from Ludwig show it often introduces a conclusion or a firmly established fact.
Frequent in
News & Media
69%
Science
16%
Encyclopedias
4%
Less common in
Wiki
1%
Formal & Business
1%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is now certain" is a grammatically sound and frequently used expression to indicate that something has been definitively confirmed or established. As Ludwig AI states, this is a grammatically correct construction. Its high frequency in news, scientific, and encyclopedic sources suggests that it is most appropriate in contexts where conveying assurance and verified information is crucial. When writing, remember that while versatile, this phrase is best reserved for situations that call for a confident and authoritative tone. Consider alternatives like "is now confirmed" or "is now guaranteed" for subtle variations in meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is now guaranteed
Replaces "certain" with "guaranteed", emphasizing the assurance of something happening.
is now assured
Substitutes "certain" with "assured", highlighting a sense of confidence and inevitability.
is now definite
Uses "definite" instead of "certain", focusing on the lack of ambiguity.
is now beyond doubt
Replaces "certain" with "beyond doubt", stressing the absence of uncertainty.
is now established
Substitutes "certain" with "established", suggesting that something has been firmly proven.
is now confirmed
Uses "confirmed" instead of "certain", emphasizing that something has been officially verified.
is now undeniable
Replaces "certain" with "undeniable", highlighting the impossibility of disputing something.
is now irrefutable
Substitutes "certain" with "irrefutable", stressing the impossibility to refuse or deny something.
is now without question
Uses "without question" instead of "certain", meaning that something is absolutely true.
is now a foregone conclusion
Replaces "is now certain" with a phrase meaning the outcome is inevitable and predictable.
FAQs
How can I use "is now certain" in a sentence?
The phrase "is now certain" indicates that something has been definitively confirmed. For example, "It "is now certain" that the meeting will be held next week."
What are some alternatives to "is now certain"?
You can use alternatives such as "is now confirmed", "is now guaranteed", or "is now definite" depending on the specific nuance you wish to convey.
Is it appropriate to use "is now certain" in academic writing?
Yes, "is now certain" is appropriate for academic writing when you need to state a conclusion that has been firmly established through research or evidence.
What's the difference between "is now certain" and "was certain"?
"Is now certain" indicates current certainty, while "was certain" refers to a past state of certainty. For example, "It "is now certain" that he will come (he will definitely come)", versus "He was certain that he would win (but maybe he did not win)".
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested