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
made certain that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "made certain that" is correct and usable in written English.
You can use it to express assurance or confirmation that something has been done or is true. Example: "She made certain that all the documents were submitted before the deadline."
✓ Grammatically correct
News & Media
Encyclopedias
Wiki
Science
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
58 human-written examples
They first made certain that no one was inside.
News & Media
And the American government made certain that France would not be disappointed.
News & Media
Defense Minister Lin Biao made certain that the military remained Maoist.
Encyclopedias
"Arafat has made certain that he has become indispensable," Dr. Shikaki said.
News & Media
The Congolese government, he alleges, made certain that no commanding officer was prosecuted over Minova.
News & Media
Wilder made certain that he was specific about the requirements in the advertisements for the tryout.
News & Media
Putin has made certain that media freedom no longer exists in his Russia.
News & Media
To ensure just that, he and Ms. Barry made certain that the guests received a talking kit when they arrived.
News & Media
He made certain that the others were up to their elbows in blood, just as he was.
News & Media
He made certain that power was handed over to General Musharraf when his plane landed in Islamabad.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Not only were we in charge of dispensing chemicals and glassware, but my supervisor--Linda Grimm--made certain that we understood our work environment well.
Science & Research
Expert writing Tips
Best practice
Use "made certain that" to clearly indicate an action taken to guarantee a specific outcome. It emphasizes intention and effort to achieve certainty.
Common error
Avoid using "made certain that" excessively in passive constructions. Instead of "It was made certain that...", opt for active voice: "He made certain that...".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "made certain that" functions as a connector indicating that a specific action was taken to ensure a particular outcome. It emphasizes the intent to achieve certainty. Ludwig AI confirms its correctness and usability.
Frequent in
News & Media
60%
Encyclopedias
15%
Wiki
10%
Less common in
Science
8%
Formal & Business
7%
Reference
0%
Ludwig's WRAP-UP
The phrase "made certain that" is a grammatically sound and frequently employed expression that signifies an action undertaken to guarantee a specific outcome. Ludwig AI confirms its validity and broad applicability.
Usage is particularly prevalent in News & Media, Encyclopedias, and Wiki sources. While alternatives like "ensured that" and "guaranteed that" offer similar meanings, "made certain that" directly emphasizes the intention and effort to achieve certainty. Remember to avoid overusing passive voice and maintain an active tone for more impactful writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
made sure that
A more casual alternative implying action to prevent failure.
ensured that
Emphasizes the act of guaranteeing a particular outcome.
guaranteed that
Indicates a strong promise or assurance.
confirmed that
Stresses the act of establishing certainty about something.
ascertained that
Focuses on the act of discovering something with certainty.
established that
Highlights the process of proving or demonstrating something.
verified that
Highlights the confirmation of something's truth or accuracy.
saw to it that
Indicates personal involvement in ensuring something happens.
took care to
Emphasizes the diligence and attention given to a task.
took precautions to ensure
Focuses on preventative measures to secure an outcome.
FAQs
What can I say instead of "made certain that"?
You can use alternatives like "ensured that", "guaranteed that", or "verified that" depending on the context.
How to use "made certain that" in a sentence?
Use "made certain that" to show that someone took action to guarantee a specific outcome. For example, "She "made certain that" all the doors were locked before leaving."
What's the difference between "made certain that" and "made sure that"?
"Made sure that" is a more informal alternative to "made certain that". Both imply taking action to prevent failure or ensure a desired result, but "made certain that" carries a slightly stronger emphasis on the effort and intention.
Is it correct to say "make certain that"?
Yes, "make certain that" is the infinitive form and is grammatically correct. You can use it in contexts like, "Please make certain that all the lights are turned off."
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested