Used and loved by millions
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
to question whether
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to question whether" is grammatically correct and commonly used in written English.
It is typically used when expressing doubt or uncertainty about something. Example: "I began to question whether I had made the right decision when I saw the negative consequences."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
It's human nature to question whether you'll be selected.
News & Media
"I started to question whether there really was this doctor".
News & Media
They begin to question whether their lives are meaningful.
News & Media
Yet, as the movie goes on, you begin to question whether it makes much sense.
News & Media
Others, however, began to question whether Parliament did have lawful power to legislate over the colonies.
Encyclopedias
Such romantics are inclined to question whether a song like "Street Fighting Man"("Hey!
News & Media
In time, I began to question whether my increasingly irrepressible desire for women was a sin.
News & Media
In turn, government authorities began to question whether the banks properly warned of the risks.
News & Media
The Scot seemed to question whether it was really worth risking Benteke.
News & Media
Nevertheless, that led some commentators to question whether the Rangers were playing with enough toughness.
News & Media
After he was let go, he forever had to question whether he had been fundamentally altered.
News & Media
Expert writing Tips
Best practice
Use "to question whether" to introduce a thought or statement expressing doubt or uncertainty about a particular situation or idea. It works best when you want to explore different possibilities or perspectives.
Common error
Avoid using "to question whether" when you are simply asking a direct question. Instead, reserve it for instances where you are expressing a deeper sense of doubt or critical examination. Using a direct question will often be clearer and more concise.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to question whether" serves as an introductory phrase to express doubt, uncertainty, or critical inquiry. As Ludwig AI indicates, it's grammatically correct. It introduces a clause that presents a point of contention or an open question, prompting further thought or investigation.
Frequent in
News & Media
44%
Science
29%
Encyclopedias
9%
Less common in
Formal & Business
3%
Independent
5%
Acta Psychologica
1%
Ludwig's WRAP-UP
In summary, the phrase "to question whether" is a grammatically correct and frequently used expression for introducing doubt or uncertainty. Ludwig AI confirms its validity and the examples from diverse sources like news media, scientific journals, and encyclopedias demonstrate its versatility. While it's prevalent across many contexts, it's especially common in news and media, and in scientific and academic discourse. When writing, remember that "to question whether" is best used when expressing a deeper sense of examination or skepticism, and should be avoided if you are just asking a direct question. Alternatives such as "to wonder if" or "to doubt whether" can add subtle changes of meaning. Overall, "to question whether" is a valuable tool for expressing critical thought and inviting thoughtful consideration.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
to wonder if
Changes the construction to a simpler "if" clause, implying a state of uncertainty.
to doubt whether
Replaces "question" with "doubt", adding a stronger sense of disbelief or uncertainty.
to consider if
Emphasizes the act of thinking about a possibility, rather than expressing doubt.
to be uncertain if
Uses an adjective to describe the state of uncertainty, rather than an active verb.
to inquire whether
Replaces "question" with the more formal "inquire", suggesting a formal investigation.
to examine whether
Suggests a closer, more thorough investigation to determine something.
to investigate if
Focuses on the process of gathering information to resolve uncertainty.
to challenge the notion that
Introduces a challenge to an existing idea or belief.
to express skepticism about
Highlights the expression of doubt or disbelief regarding something.
to have reservations about
Indicates a sense of unease or concern about a particular issue.
FAQs
How can I use "to question whether" in a sentence?
You can use "to question whether" to introduce a clause expressing doubt or uncertainty. For instance, "I began "to question whether" I had made the right decision."
What are some alternatives to "to question whether"?
Alternatives include phrases like "to wonder if", "to doubt whether", or "to consider if", depending on the nuance you want to convey.
Is it better to use "to question whether" or "to ask whether"?
"To ask whether" is more direct and suitable for simple inquiries. "To question whether" implies a deeper examination or skepticism. Use "to question whether" when you are expressing doubt or critical thinking, not just seeking information.
What's the difference between "to question whether" and "to wonder whether"?
"To wonder whether" generally indicates a state of curiosity or mild uncertainty. "To question whether" suggests a more active and critical examination of something. You might "to wonder whether" you locked the door, but "to question whether" a policy is effective.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested