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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
make certain of
Grammar usage guide and real-world examplesUSAGE SUMMARY
"make certain of" is correct and usable in written English.
You can use it when you want to confirm or guarantee something. For example: "I need to make certain of my plans before I can commit to the event."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
20 human-written examples
"We will continue to monitor the insurers' performance to make certain of that".
News & Media
I mean, one's got to get up in the morning thinking of a deviant act, merely to make certain of one's freedom.
News & Media
A DAY after the mobile phone celebrated its 40th birthday, Facebook has produced something that it hopes will make certain of the devices even more useful.
News & Media
We bend over backward to make certain of this! PETER INCARDONE JR. Chairman Bergen County Board of Elections Hackensack, N.J., Nov. 21, 2000.
News & Media
And that is why our intelligence community took time, that's why the president took time to make certain of the facts … in order to scrub and rescrub the evidence and present the facts to the American people.
News & Media
To make certain of that Mark Hughes's side will have to improve on this display, with the visitors organised but utterly blunt in attack, summed up by their best chance when, late on, Marko Arnautovic found space in the Chelsea area but made a hash of controlling Steven Nzonzi's long pass.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
40 human-written examples
John Paul's defender of the faith, Cardinal Joseph Ratzinger, made certain of that.
News & Media
It was not until the 85th minute, however that England made certain of the victory.
News & Media
The Republic and the Constitution rose again, phoenixlike, from the conflagration of civil war, but President Lincoln did not — Booth made certain of that.
News & Media
A big reason this unpleasantness affixes so readily to Mr. Mack is that his political opponents have made certain of it.
News & Media
"This was an opportunity of piling on the agony," wrote Nourse, "and making certain of victory by leaving England an impossible total".
News & Media
Expert writing Tips
Best practice
Use "make certain of" when you want to emphasize the importance of confirming or ensuring something to avoid potential negative consequences.
Common error
While grammatically sound, overuse of "make certain of" can make your writing sound repetitive. Vary your language by using synonyms like "ensure", "verify", or "confirm" where appropriate.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "make certain of" functions as a verb phrase used to express the action of ensuring or confirming something. As Ludwig AI exemplifies, it's often used when a speaker or writer wants to emphasize the importance of verification.
Frequent in
News & Media
57%
Science
29%
Wiki
10%
Less common in
Formal & Business
5%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "make certain of" is a versatile and commonly used expression for emphasizing the importance of ensuring or confirming something. As Ludwig AI confirms, the phrase is grammatically correct and appropriate for various contexts, with a neutral register. While it's a valuable phrase to have in your writing toolkit, remember to vary your language and consider synonyms like "ensure" or "verify" to avoid sounding repetitive. The phrase appears most frequently in news and media sources, showcasing its widespread use in conveying the importance of confirmation and accuracy. It is also used in scientific articles and in wiki articles.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
make sure
A more informal and direct alternative.
ensure
A more concise synonym for "make certain of".
assure
Implies removing doubt and giving confidence.
guarantee
Suggests a formal promise or assurance.
verify
Emphasizes the process of checking or confirming something is true.
confirm
Implies establishing the truth or correctness of something previously uncertain.
ascertain
Suggests discovering something definitively through investigation.
double-check
Implies a second verification to prevent errors.
certify
Indicates an official endorsement or confirmation.
determine
Emphasizes the act of finding something out with certainty.
FAQs
How can I use "make certain of" in a sentence?
You can use "make certain of" to express the need to confirm or ensure something. For example, "I need to make certain of my flight reservation before I leave for the airport."
What's a more informal way to say "make certain of"?
A more informal way to say "make certain of" is to use "make sure". For example, "Make sure you lock the door when you leave."
Which is correct, "make certain of" or "be certain of"?
Both "make certain of" and "be certain of" are grammatically correct, but they have slightly different meanings. "Make certain of" implies taking action to confirm something, while "be certain of" describes a state of confidence or knowledge.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested