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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
it certainly works
Grammar usage guide and real-world examplesUSAGE SUMMARY
The sentence "it certainly works" is a grammatically correct and usable in written English.
You can use it when talking about something that has been achieved, or when emphasizing a particular outcome. For example, "We tried a few different approaches, but it certainly works now."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
it definitely works
it proves effective
it gets the job done
it certainly assists
it effectively works
it absolutely works
it practically works
it truly works
it successfully performs
it is indeed effective
it genuinely works
it indeed works
it turns out to be effective
it effectively operates
it technically works
it really works
it already works
it never works
it actually works
it ultimately works
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
23 human-written examples
It certainly works.
News & Media
It certainly works for me to have a physical commitment.
News & Media
Gail: Really gloomy for your side, but it certainly works for me.
News & Media
"I had a little puff before, sure," Mr Buchanan replies.Whatever he is smoking, it certainly works.
News & Media
It worked for me, and it certainly works for the planet.
News & Media
It certainly works as adventure: Adam's tribulations are as well imagined as anything I've seen in the genre.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
It certainly worked for Martin Johnson.
News & Media
It certainly worked for Christie's.
News & Media
It certainly worked on her boyfriend.
News & Media
It certainly worked then, and it is working for Evans.
News & Media
And it certainly worked to the family's advantage".
News & Media
Expert writing Tips
Best practice
Use "it certainly works" when you want to express confidence that a particular method, solution, or approach is effective. It's suitable for situations where you have observed positive results or have strong evidence of its success.
Common error
While "it certainly works" is generally acceptable, avoid overusing it in highly formal or academic writing. In such contexts, consider more precise and sophisticated alternatives like "it proves effective" or "it yields the desired outcome".
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it certainly works" functions primarily as an affirmative statement, indicating that something is effective or successful. It serves to assert the efficacy of a particular action, method, or device. As Ludwig AI suggests, the phrase is grammatically correct and usable in written English.
Frequent in
News & Media
72%
Science
12%
Wiki
4%
Less common in
Formal & Business
4%
Encyclopedias
0%
Academic
0%
Ludwig's WRAP-UP
In summary, the phrase "it certainly works" is a grammatically sound and frequently used expression to affirm the effectiveness of something. As Ludwig AI confirms, it's suitable for various writing contexts, though it may be less appropriate for highly formal or academic settings, where more precise alternatives might be preferred. Its prevalence in news and media demonstrates its broad applicability, while the availability of synonyms like "it definitely works" and "it effectively functions" provides flexibility in expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it definitely works
Changes 'certainly' to 'definitely', offering a slightly less formal tone while maintaining the same meaning.
it assuredly works
Replaces 'certainly' with 'assuredly', adding a stronger sense of confidence or conviction.
it demonstrably works
Substitutes 'certainly' with 'demonstrably', implying that the effectiveness can be proven or shown.
it effectively functions
Replaces 'works' with 'effectively functions', focusing on the operational aspect and its successful performance.
it successfully operates
Similar to 'effectively functions', this highlights the successful operation or running of something.
it gets the job done
An idiomatic alternative that means something is effective in achieving its intended purpose.
it proves effective
Shifts the focus to the proven effectiveness of something, often after a period of testing or use.
it yields results
Emphasizes that something produces positive outcomes or consequences.
it achieves the desired effect
Highlights that something accomplishes its intended or planned effect.
it delivers the goods
An informal idiom indicating that something fulfills its promise or expectations.
FAQs
How can I use "it certainly works" in a sentence?
You can use "it certainly works" to express confidence in the effectiveness of something. For example, "We tried a new marketing strategy, and "it certainly works"; sales have increased significantly."
What are some alternatives to "it certainly works"?
Some alternatives include "it definitely works", "it effectively functions", or "it proves effective", depending on the level of formality and specific nuance you want to convey.
Is "it certainly works" appropriate for formal writing?
While grammatically correct, "it certainly works" might be considered too informal for some highly formal or academic contexts. In such cases, opting for a more sophisticated phrase like "it proves effective" or "it yields results" may be more suitable.
What's the difference between "it certainly works" and "it probably works"?
"It certainly works" expresses a higher degree of confidence and assurance compared to "it probably works". The former indicates a strong belief based on evidence or experience, while the latter suggests a possibility or likelihood but with less certainty.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested