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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is uncertain if

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "is uncertain if" is correct and usable in written English.
It can be used when expressing doubt or ambiguity about a particular situation or outcome. Example: "The weather forecast is uncertain if it will rain tomorrow."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

It is uncertain if he will return this season.

She is uncertain if she wants to move.

News & Media

The Guardian

It is uncertain if he will return to the team.

News & Media

The New York Times

Smithfield is uncertain if the amendment will be beneficial to the company.

News & Media

The New York Times

It is uncertain if it can be introduced from the top down.

But it is uncertain if federal authorities would share with baseball any evidence they develop on the clinic.

But even if the union agrees to Olympic-type testing, Posada said, he is uncertain if he would play.

It is uncertain if Duval would play at next week's World Golf Championship NEC Invitational in Akron, Ohio.

It is uncertain if other suppliers could meet the demand for heart valves, which has often involved emergency surgery.

News & Media

The New York Times

Although Blackmun will probably be offered a secondary role in the U.S.O.C., it is uncertain if he will take it.

However, it is uncertain if histopathological techniques accurately detect pCR.

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Expert writing Tips

Best practice

When using "is uncertain if", ensure that the context clearly identifies what the uncertainty pertains to, providing specific subjects or conditions to avoid ambiguity.

Common error

While grammatically correct, avoid overuse of "is uncertain if" in formal writing. Vary your language with stronger, more direct alternatives to maintain a concise and impactful tone.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

78%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is uncertain if" functions as a conjunction phrase expressing doubt, ambiguity, or a lack of definitive knowledge about a conditional situation. Ludwig shows many examples of its use in various contexts.

Expression frequency: Very common

Frequent in

Science

42%

News & Media

32%

Wiki

15%

Less common in

Formal & Business

3%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "is uncertain if" is a grammatically sound and frequently used expression to convey doubt or ambiguity. According to Ludwig, it appears across diverse contexts, especially in news, science, and encyclopedic content. While generally acceptable, varying your language with stronger alternatives in formal writing improves conciseness. The analyzed sources provide a strong basis for understanding and utilizing the phrase effectively.

FAQs

How can I use "is uncertain if" in a sentence?

Use "is uncertain if" to express doubt or ambiguity about a condition or outcome. For example, "It "is uncertain if" the project will be completed on time."

What can I say instead of "is uncertain if"?

You can use alternatives like "is unclear whether", "is doubtful if", or "remains to be seen if" depending on the context.

Which is correct, "is uncertain if" or "is uncertain whether"?

Both "is uncertain if" and "is uncertain whether" are grammatically correct, but "is uncertain whether" is generally preferred in formal writing. They both convey a sense of doubt or ambiguity.

What's the difference between "is uncertain if" and "is unknown if"?

"Is uncertain if" suggests a lack of predictability or confidence in an outcome, while "is unknown if" indicates a complete lack of information or knowledge about a situation.

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Source & Trust

78%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: