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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
that can certainly
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that can certainly" is correct and usable in written English.
You can use it to express a strong belief or assurance about something being possible or true. Example: "This method of teaching is effective, and that can certainly be seen in the students' improved test scores."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(4)
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
And it's a question that can certainly be asked of this year's winner.
News & Media
It is a very flexible genre that can certainly accommodate the modernising of the world".
News & Media
"Being associated with terrorism is something that can certainly grab the public's attention," Mr. Nelson said.
News & Media
"Even though we have that friendship, if it makes sense then it's a fight that can certainly happen between us.
News & Media
One thing that can certainly be said about Thursday's live episode of "30 Rock" is that it occurred.
News & Media
There are teams in the East that can certainly compete against anyone in the West besides Shaq.
News & Media
"Hopefully," Summitt said, "by March we will be a team that can certainly make a run for the national championship.
News & Media
Swimming the Channel is not about being fast and smooth and beautiful as a swimmer, although that can certainly help.
News & Media
"Almost always, they come from a clot in the leg that travels up to the lungs, and there is treatment that can certainly be very successful," Thomashow said.
News & Media
"If, in these negotiations, he has a major accomplishment that's noticed by the public, that can certainly be important for him".
News & Media
"They're the same sort of developmental challenges that adolescents have grappled with for decades, though now they're taking place in different spaces that can certainly amplify them and shift their quality, quantity, and scale.
Academia
Expert writing Tips
Best practice
When aiming for conciseness, consider alternatives like "definitely" or "surely," but retain "that can certainly" for emphasis.
Common error
While grammatically correct, excessive use of "that can certainly" can sound overly formal or stiff in casual conversation. Opt for simpler alternatives like "definitely" or "sure" to maintain a natural tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that can certainly" functions as a modal phrase, adding emphasis and assurance to a statement of possibility or capability. Ludwig AI indicates its correctness and usability, supported by numerous examples.
Frequent in
News & Media
61%
Science
29%
Academia
6%
Less common in
Encyclopedias
2%
Wiki
1%
Formal & Business
1%
Ludwig's WRAP-UP
In summary, "that can certainly" is a versatile phrase used to express a strong degree of confidence or assurance about a possibility or capability. As Ludwig AI confirms, it's grammatically correct and widely used, particularly in news, scientific, and academic contexts. While generally neutral in tone, it is important to avoid overuse in overly informal settings where simpler alternatives might be more appropriate. Remember to use it when you want to reinforce the plausibility or capability of something with confidence.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that definitely can
Emphasizes the definiteness of the possibility, slightly stronger than "that can certainly".
that surely can
Indicates a high degree of confidence in the possibility.
that absolutely can
Highlights the unreserved possibility, adding emphasis.
that is certainly able to
Rephrases the phrase using "able to" to express capability with certainty.
that undoubtedly can
Conveys that there is no doubt about the possibility.
that without a doubt can
Expresses the possibility with complete certainty.
that most assuredly can
Emphasizes the assurance of the possibility.
that unquestionably can
Indicates that the possibility is beyond question.
that positively can
Shows a positive affirmation of the possibility.
that veritably can
Conveys that the possibility is true and accurate.
FAQs
How can I use "that can certainly" in a sentence?
Use "that can certainly" to express a strong belief or assurance about something being possible or true. For example, "Practicing regularly "that can certainly" improve your skills."
What are some alternatives to "that can certainly"?
You can use alternatives like "that definitely can", "that surely can", or "that absolutely can" depending on the context.
Is "that can certainly" formal or informal?
"That can certainly" is generally considered neutral in tone, suitable for both formal and informal contexts, but it may sound slightly more formal than alternatives like "definitely" or "surely".
What is the difference between "that can certainly" and "that is certainly"?
"That can certainly" implies possibility with a strong degree of confidence, while "that is certainly" indicates a statement of fact with assurance. The subtle difference lies in whether you're emphasizing potential or 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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested