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
whether he believes
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "whether he believes" is correct and usable in written English.
You can use it when discussing someone's belief or opinion, often in contexts involving uncertainty or choice. Example: "I am unsure whether he believes in the theory we discussed last week."
✓ Grammatically correct
News & Media
Alternative expressions(20)
what he thinks
his perspective on
his stance on
he believes
the way he sees it
his point of view
his perspective on the matter
what he insists
what he believes
what he understands
his thoughts
his perspective
his opinion on
his take on
his viewpoint on
what he has to say about
his approach to
his attitude toward
his determination to
his leadership to
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
He would never tell me whether he believes in God".
News & Media
McConnell wouldn't directly answer whether he believes in climate change.
News & Media
An unanswerable question is whether he believes that.
News & Media
He's definitely missed, whether he believes it or not".
News & Media
No word on whether he believes in little green men.
News & Media
Whether he believes it does not matter; what matters is that they do.
News & Media
He was then asked whether he believes Turkey has such material.
News & Media
Asked whether he believes Sessions will leave the Justice Department, Gingrich said, "No, no. . .
News & Media
He did not say whether he believes vaccines should be mandatory.
News & Media
But he did not say whether he believes Roe was correctly decided.
News & Media
But when Fairfax was asked whether he believes the governor's explanations, he hesitated.
News & Media
Expert writing Tips
Best practice
When using "whether he believes", ensure the context clearly indicates what the subject's belief pertains to. This prevents ambiguity and strengthens the sentence's clarity.
Common error
Avoid assuming that if someone states they don't know "whether he believes", it automatically implies disbelief. It may simply mean they lack sufficient information.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "whether he believes" functions as a subordinating conjunction introducing a noun clause. This clause acts as the direct object of a verb (e.g., 'know', 'ask', 'discuss') expressing uncertainty or a question about someone's belief, as demonstrated in numerous Ludwig examples.
Frequent in
News & Media
80%
Science
10%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "whether he believes" is a commonly used conjunction phrase for expressing uncertainty or inquiry about someone's convictions. Ludwig AI confirms its grammatical correctness and widespread use, especially in news and media. While the phrase has a neutral to formal tone, its versatility allows it to fit various communication contexts. When writing, be certain that the context of "whether he believes" clearly indicates what the subject's belief is about to prevent misunderstandings. Alternatives such as "if he thinks" or "his view on" can be employed to convey similar meanings, but "whether he believes" often emphasizes a more formal or deliberate tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
what he thinks
Directly asks for his thoughts, encompassing a broader range than just beliefs.
his opinion about
Replaces 'belief' with 'opinion', suggesting a personal viewpoint rather than a conviction.
his view on
Simpler way to ask about his opinion.
if he thinks
Focuses on the thought process rather than belief, implying a consideration of ideas.
his perspective on
Highlights a particular viewpoint or angle from which he views something.
does he think that
Direct question format, probing for confirmation of a thought or idea.
if he is convinced
Emphasizes the degree of certainty or persuasion regarding a belief.
his stance on
Refers to his official or declared position, implying a more formal or public belief.
his conviction regarding
Highlights a firmly held belief, implying a strong sense of certainty.
his faith in
Specifies a belief based on trust or confidence, often without concrete evidence.
FAQs
How can I use "whether he believes" in a sentence?
Use "whether he believes" to introduce a clause expressing doubt or uncertainty about someone's convictions. For example, "It's unclear "whether he believes" the earth is round".
What are some alternatives to "whether he believes"?
Alternatives include phrases like "if he thinks", "his opinion about", or "his view on", depending on the specific shade of meaning you want to convey.
Is it more formal to say "if he believes" or "whether he believes"?
"Whether he believes" and "if he believes" are often interchangeable, but "whether" is generally considered more formal and suitable for academic or professional writing.
Is it correct to say "I don't know whether he believes"?
Yes, it is grammatically correct. This construction is used to express a lack of knowledge or uncertainty about someone's beliefs.
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