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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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it is unknown if

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "it is unknown if" is correct and usable in written English.
You can use it when discussing uncertainty or lack of information regarding a specific situation or outcome. Example: "It is unknown if the new policy will have a significant impact on employee productivity."

✓ Grammatically correct

Science

News & Media

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

However, it is unknown if these effects extend to midlife.

It is unknown if Zuley interrogated other Guantánamo detainees.

News & Media

The Guardian

It is unknown if those items were later sold.

News & Media

The New York Times

(It is unknown if the technique yielded useful intelligence).

News & Media

The New Yorker

It is unknown if decreases observed in national antibiotic prescribing differ by provider group.

It is unknown if these biases influence trained decision makers such as pulmonologists.

Science

Chest

However, it is unknown if these factors are applicable to Australasian emergency nurses.

Moreover, it is unknown if the WENO-Z scheme should obey the same condition on ε.

It is unknown if and where elephants can be observed.

It is unknown if echocardiography is sufficient to screen for significant PR.

However, it is unknown if the EOAiCT of the left ventricular outflow tract improves risk stratification.

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Expert writing Tips

Best practice

When using "it is unknown if", ensure that the subject about which information is lacking is clearly defined to avoid ambiguity.

Common error

Avoid using "it is unknown if" when readily available data could provide an answer. Conduct thorough research before stating a lack of knowledge.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "it is unknown if" functions as an introductory clause expressing uncertainty or a lack of information regarding a particular situation or outcome. As shown in the Ludwig examples, this construction is commonly used to introduce questions or hypotheses in academic, scientific, and news contexts.

Expression frequency: Very common

Frequent in

Science

62%

Academia

15%

News & Media

12%

Less common in

Wiki

10%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "it is unknown if" is a versatile phrase used to express uncertainty or a lack of knowledge, especially when introducing a question or hypothesis. Ludwig AI indicates that the phrase is grammatically sound and widely used. It appears most frequently in scientific and academic contexts, suggesting a neutral to formal register. When using this phrase, ensure clarity and consider whether readily available information could address the uncertainty. Alternatives like "it remains uncertain whether" or "it's unclear if" can provide stylistic variations.

FAQs

How do I use "it is unknown if" in a sentence?

Use "it is unknown if" to introduce a question or possibility when there is a genuine lack of information. For example, "It is unknown if the treatment will be effective".

What can I say instead of "it is unknown if"?

You can use alternatives like "it remains uncertain whether", "it is not yet clear if", or "it's unclear if" depending on the context.

Is it better to use "it is unknown whether" or "it is unknown if"?

Both "it is unknown if" and "it is unknown whether" are grammatically correct and generally interchangeable. "Whether" is often considered more formal, but "if" is widely accepted in modern usage.

When is it inappropriate to use "it is unknown if"?

Avoid using "it is unknown if" when the information is readily available through simple research or investigation. It's best used when there is genuine uncertainty or a gap in current knowledge.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: