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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
they sure do
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they sure do" is correct and usable in written English.
It is typically used to affirm or emphasize a statement, often in a conversational or informal context. Example: "Do dogs love to play? Oh, they sure do!"
✓ Grammatically correct
News & Media
Alternative expressions(5)
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
"They sure do," he said.
News & Media
They sure do: It's abc.xyz.
News & Media
But they sure do rivet your attention.
News & Media
But they sure do like this newfangled Mr. Sensitivity.
News & Media
But they sure do need Susan Collins and Lisa Murkowski.
News & Media
Smart meters change the game". They sure do.
News & Media
Watch out: a few more steps and you'll find yourself saying they sure do have rhythm.
News & Media
"They may not like talking about it, but they sure do enjoy that Playboy money".
News & Media
You can say this about fashion people: They might not always be classy, but they sure do care.
News & Media
On the other hand, they sure do not seem to be rising up to defend him, either.
News & Media
They sure do look nice, though, so by all means check out the shiny red or white Beats models and come to your own conclusion.
News & Media
Expert writing Tips
Best practice
Use "they sure do" to emphatically agree with a statement or observation, especially in informal or conversational contexts. It adds a touch of enthusiasm.
Common error
Avoid using "they sure do" in formal or academic writing, as it can come across as too casual. Opt for more formal alternatives such as "they certainly do" or "they definitely do" to maintain a professional tone.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they sure do" serves primarily as an emphatic affirmative response. According to Ludwig AI, it is used to strongly agree with or confirm a statement. The word "sure" intensifies the affirmation conveyed by "do".
Frequent in
News & Media
88%
Academia
4%
Formal & Business
3%
Less common in
Science
3%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "they sure do" is a grammatically sound and very common expression used for emphatic affirmation, mainly in informal contexts. Ludwig AI confirms its correctness and prevalence. While it's perfectly acceptable in casual conversation or writing, it should be used with caution in formal or academic settings, where alternatives like "they certainly do" or "they definitely do" are more appropriate. Predominantly found in News & Media sources, as well as academic and business-related categories, mastering its appropriate usage can add flair and emphasis to your communication. The phrase conveys confidence and assurance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they certainly do
Emphasizes affirmation with a more formal tone by using "certainly" instead of "sure".
they definitely do
Replaces "sure" with "definitely" for a slightly stronger sense of confirmation.
they really do
Substitutes "sure" with "really" to emphasize the truth of the statement.
they indeed do
Uses "indeed" instead of "sure" to add a touch of formality and affirmation.
they most certainly do
Combines "most certainly" for a heightened degree of certainty and formality.
they absolutely do
Replaces "sure" with "absolutely" for a stronger and more emphatic agreement.
they truly do
Emphasizes the genuineness of the action with "truly" replacing "sure".
they undeniably do
Uses "undeniably" to highlight the indisputable nature of the statement.
they do without a doubt
Expresses the idea with a longer phrase emphasizing the lack of uncertainty.
there is no question that they do
Rephrases the affirmation as an absence of doubt about their actions.
FAQs
How can I use "they sure do" in a sentence?
Use "they sure do" to emphasize agreement or affirmation. For example, if someone asks, "Do kids love candy?", you could reply, "They sure do!"
What's a more formal way to say "they sure do"?
For a more formal tone, you can use alternatives like "they certainly do" or "they definitely do".
When is it appropriate to use "they sure do"?
It's appropriate in informal conversations, friendly banter, or casual writing where you want to add emphasis or express agreement in a relaxed manner. Avoid using it in formal academic or professional settings.
Is "they sure do" grammatically correct?
Yes, "they sure do" is grammatically correct in informal English. It follows the standard subject-verb order and uses "do" for emphasis. However, remember it's more suitable for casual conversation.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested