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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
sure he is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sure he is" is correct and usable in written English.
It can be used to express agreement or affirmation about someone's qualities or actions, often in a sarcastic or ironic context. Example: "He claims he's the best player on the team, but sure he is."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(3)
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
58 human-written examples
"Sure he is," D'Angelo said.
News & Media
"I'm sure he is," Francoeur said.
News & Media
"I'm not sure he is one".
News & Media
Sure, he is getting publicity.
News & Media
"I'm not sure he is.
News & Media
I'm pretty sure he is smirking.
News & Media
Be sure he is not alone.
News & Media
I'm sure he is missing it.
News & Media
Seracini is sure he is getting closer.
News & Media
I'm sure he is, you know.
News & Media
"I am sure he is not going to walk away.
News & Media
Expert writing Tips
Best practice
Use "sure he is" to express agreement or affirmation, but be mindful of the context as it can sometimes imply sarcasm or doubt. If you intend genuine agreement, consider using a more direct and unambiguous phrase.
Common error
Avoid using "sure he is" when you want to express genuine agreement without any room for misinterpretation. Its potential for sarcasm can undermine your intended meaning.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sure he is" primarily functions as an affirmative response, often carrying an implied tone of sarcasm or mild doubt. It is used to express agreement, but not always genuinely. Ludwig AI confirms its correct and usable status in written English.
Frequent in
News & Media
64%
Wiki
18%
Science
18%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "sure he is" is a grammatically sound phrase commonly used to express agreement, albeit frequently tinged with skepticism or irony. As Ludwig AI indicates, the phrase is usable in written English, but careful consideration should be given to the context to avoid misinterpretation. While versatile, its neutral register suggests caution in strictly formal settings, and its usage is most prevalent in news, media, and general writing, as highlighted by the examples and sources analyzed. Use alternatives like "of course he is" or "absolutely he is" if you want to emphasize a positive tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
of course he is
Replaces "sure" with "of course", indicating a slightly stronger sense of obviousness or agreement.
certainly he is
Substitutes "sure" with "certainly", conveying a more formal tone and a higher degree of confidence.
absolutely he is
Emphasizes the affirmation with "absolutely", making the agreement more emphatic.
indeed he is
Replaces "sure" with "indeed", offering a more sophisticated and somewhat archaic tone.
no doubt he is
Indicates a lack of uncertainty, implying a strong belief in the statement's truth.
undoubtedly he is
Similar to "no doubt", but with an even stronger sense of certainty and conviction.
I'm positive he is
Introduces a personal perspective, indicating the speaker's strong belief.
I'm convinced he is
Similar to "I'm positive", but suggests the belief is based on some form of reasoning or evidence.
you bet he is
Offers a more informal and colloquial way of expressing strong agreement.
without a doubt he is
Conveys certainty and eliminates any possibility of questioning the statement.
FAQs
How can I use "sure he is" in a sentence?
You can use "sure he is" to express agreement or affirmation, often with a hint of sarcasm. For example: "He claims he's the best, "sure he is"."
What's a less sarcastic way to say "sure he is"?
If you want to avoid any hint of sarcasm, consider using alternatives like "of course he is", "certainly he is", or "absolutely he is".
Is it grammatically correct to say "sure he is"?
Yes, "sure he is" is grammatically correct and commonly used in spoken and written English, though its tone can sometimes be ambiguous.
What is the difference between "sure he is" and "I'm sure he is"?
"Sure he is" expresses agreement or affirmation, often with a hint of skepticism. "I'm sure he is" expresses a personal belief or confidence in something.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested