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
could only be him
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could only be him" is correct and usable in written English.
It can be used when you are expressing certainty or a strong belief that a particular person is the only one who could fit a certain description or situation. Example: "After reviewing the evidence, it was clear that the mysterious figure could only be him, given his unique characteristics."
✓ Grammatically correct
News & Media
Alternative expressions(1)
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
3 human-written examples
"I thought it could only be him".
News & Media
You heard it and it could only be him.
News & Media
You know from the first note that that could only be him because nobody else plays like that.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Frank Ocean is a forceful songwriter, an original voice, and a man who makes albums that could only be made by him, in an age of kit-build superstars.
News & Media
"The person I am thinking of was a friend of the journalists, drinking pal, and was a clever lawyer and forbade them to go and see the evidence, or there have been statements reporting that this person forbade people to go and report to Mrs Brooks or James Murdochh)." Mr Crone said in a statement after the hearing that Mr Murdoch "could only" be referring to him.
News & Media
Action could only be taken against him if there was proof of wrongdoing in Singapore, he said.
News & Media
It was displayed right out front but behind the counter so it could only be retrieved by him. .
News & Media
The whole exciting sequence of topographical dummies that deceives him could only be shown by a film: the city is on its guard against him, masks itself, flees, intrigues, lures him to wander its circles to the point of exhaustion.
News & Media
As for Spender's feelings towards someone who simultaneously pushed him forward and hampered him, they could only be a tissue of gratitude and suppressed resentment.
News & Media
"They could only be powerful people who saw him as a moral thorn in their evil flesh".
News & Media
High court judges have already ruled that the material seized from him could only be examined for national security purposes and the protection of the public, and no other.
News & Media
Expert writing Tips
Best practice
Consider the level of formality needed for your writing. While generally acceptable, more formal contexts might benefit from stronger or more explicit phrasing.
Common error
Avoid using "could only be him" when you actually have concrete proof of someone's identity or involvement. In such cases, a more definitive statement like "it was him" is more appropriate.
Source & Trust
96%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could only be him" functions as a modal phrase expressing a strong inference or deduction about the identity of a person. It suggests that, based on the available information or context, the speaker believes it is highly probable that the person in question is the one being referred to. Ludwig confirms its correct usage.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "could only be him" is a grammatically sound phrase used to express a strong belief or deduction about a person's identity in a given context. Ludwig indicates that it is appropriate in various forms of written English, but its frequency is rare. While typically neutral in tone, it might be more suitable for informal or news contexts than for strictly formal or academic writing. When aiming for a more formal style, consider alternatives like "it must have been him" or "it could have been no one else".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
must be him
Indicates a high degree of certainty about the person's identity.
had to be him
Suggests that the person was the only logical possibility.
it was definitely him
Emphasizes the certainty of the person's identity.
it could have been no one else
Highlights the uniqueness of the person in a given situation.
only he could do it
Focuses on the person's unique ability or capability.
he was the only one
Highlights that only this person had the capabilities or the permission to do the action.
there's no other explanation
Conveys that all alternative solutions have been discarded.
it had to be his doing
Indicates the person was the agent that initiated the action.
he's the only suspect
Indicates the person is under suspicion.
none other than him
Formal and emphatic way of stating the person's identity.
FAQs
How can I rephrase "could only be him" to sound more formal?
For a more formal tone, consider using phrases like "it must have been him", "it could have been no one else", or "he was undoubtedly the one".
Is "could only be him" appropriate for academic writing?
While grammatically correct, "could only be him" may sound too informal for some academic contexts. Consider rephrasing for a more formal tone, such as "it was likely him" or "the evidence suggests it was him".
What's the difference between "must be him" and "could only be him"?
"Must be him" implies a higher degree of certainty compared to "could only be him", which suggests a strong possibility based on limited evidence.
How to use "could only be him" in a sentence?
You can use "could only be him" to express your belief or deduction about someone's identity or action based on the available context, for example: "Given his unique skills, it could only be him who cracked the code."
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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
96%
Authority and reliability
4.5/5
Expert rating
Real-world application tested