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
sure that works
Grammar usage guide and real-world examplesUSAGE SUMMARY
'sure that works' is correct and usable in written English.
You can use it to express agreement with an idea or suggestion. For example, "Let's go to the beach this weekend. Sure that works!".
✓ Grammatically correct
News & Media
Science & Research
Wiki
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
11 human-written examples
Sure, that works for Pepsi, right?
News & Media
"We'll make sure that works out," Trudeau joked in reply.
News & Media
We use scientific equipment on stage, so I've got to make sure that works" too, LiCata says.
Science & Research
Not sure that works.
News & Media
"I'm sure that works well for him," I replied.
News & Media
"But the regulations we see are not stacked in the favour of the bus industry to make sure that works.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
Not sure how that works, really.
News & Media
Not sure if that works so well in written form.
News & Media
I'm not sure how that works.
News & Media
I'm not totally sure how that works.
News & Media
I'm not sure that will work.
News & Media
Expert writing Tips
Best practice
When writing, consider the context. While "sure that works" is acceptable, more formal situations might benefit from phrases like "confident that it will succeed" or "certain that it is effective".
Common error
Avoid using "sure that works" in formal reports or academic papers. While grammatically correct, its casual tone can undermine the credibility of your writing.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sure that works" primarily functions as an expression of agreement or affirmation. As Ludwig AI shows, it indicates confidence in the viability or effectiveness of something. It's often used to quickly convey that a proposed solution or method is acceptable and likely to succeed.
Frequent in
News & Media
40%
Wiki
30%
Science & Research
10%
Less common in
Formal & Business
5%
Academia
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "sure that works" is a common and grammatically correct way to express agreement or confidence. As Ludwig AI confirms, it's suitable for informal contexts, signaling reassurance and validation. While its usage is prevalent in news, media, and general content, more formal settings might require alternatives like "certain that it functions" or "confident it will succeed". Remember to consider your audience and context to ensure the appropriate tone is conveyed. Its frequent appearance across diverse sources highlights its broad applicability and ease of understanding.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
certain that it functions
Replaces "works" with "functions", emphasizing the operational aspect with a slightly more formal tone.
positive that it is effective
Replaces "works" with "effective", highlighting the efficiency and impact of something.
confident it will succeed
Shifts the focus to future success rather than current operation, conveying a stronger belief in a positive outcome.
convinced it is operational
Similar to 'certain that it functions', but uses 'convinced' to stress a stronger sense of personal assurance.
i trust it will work
Adds a personal element, showing confidence and reliance, making it less assertive and more conversational.
i have faith that it'll work
Incorporates a stronger element of belief or hope, suggesting less certainty but more optimism.
it's guaranteed to function
Provides a stronger assurance by using "guaranteed", indicating a high degree of certainty and reliability.
it is bound to be effective
Emphasizes inevitability and high likelihood of success, shifting the tone towards predictability.
it definitely should work
Adds a nuance of expectation while still suggesting a strong likelihood of success.
i'm betting it works
Introduces an element of risk and personal investment, suggesting high confidence but also the possibility of being wrong.
FAQs
How can I use "sure that works" in a sentence?
You can use "sure that works" to express agreement or confidence in a plan or method. For example, "If we try this approach, I'm "sure that works"!"
What are some alternatives to "sure that works"?
Alternatives include "certain that it functions", "confident it will succeed", or "positive that it is effective", depending on the context.
Is "sure that works" appropriate for formal writing?
While grammatically correct, "sure that works" is generally more suitable for informal settings. More formal alternatives might be preferable in academic or professional contexts.
What's the difference between "sure that works" and "I'm sure it will work"?
"Sure that works" is a more concise and casual expression of agreement or confidence. "I'm sure it will work" is slightly more formal and emphasizes personal belief or expectation.
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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested