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
make certain that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "make certain that" is correct and usable in written English.
You can use it when you want to emphasize the importance of ensuring something is done or confirmed. Example: "Please make certain that all the documents are submitted by the deadline."
✓ Grammatically correct
News & Media
Academia
Wiki
Alternative expressions(20)
ensure that
verify that
make sure that
assure that
confirm that
guarantee that
ascertain that
see to it that
take care that
establish that
please remark that
it is recommendable that
please pass that
understand that
it is pertinent that
it is crucial that
I suggest that
it is important that
please find that
we recommend that
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
We needed to make certain that was reflected in all aspects of the narrative.
News & Media
Make certain that its size is less than 1 MB.
Academia
You would make certain that they are in separate photos.
News & Media
"We want to make certain that there's transparency.
News & Media
"I think I'm well qualified to make certain that happens".
News & Media
Please make certain that you take any data of importance with you.
Academia
Make certain that its size is less than 2,000 KB (2.0 MB).
Academia
It is important to make certain that agriculture adapts along with the changing times.
Academia
Make certain that its size is less than 2000 KB (2 MB).
Academia
"Obviously, we must make certain that the needy have access to water.
News & Media
Mr. Cuomo needs to make certain that the already cash-starved transportation authority doesn't suffer.
News & Media
Expert writing Tips
Best practice
When using "make certain that", consider the context and choose a synonym like "ensure that" for a more formal tone or "make sure that" for a more casual tone.
Common error
While grammatically correct, overuse of "make certain that" can make your writing sound repetitive. Vary your language by using alternatives such as "ensure that" or "verify that" for a more sophisticated tone.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "make certain that" functions as a connector, introducing a clause that expresses a requirement or condition. It emphasizes the need to "ensure that" something is done or true. Ludwig AI confirms its usability in written English.
Frequent in
News & Media
40%
Academia
30%
Wiki
30%
Less common in
Science
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "make certain that" is a grammatically sound and frequently used expression to emphasize the importance of ensuring a specific action or condition. Ludwig AI affirms its correctness and broad applicability. While versatile, it's beneficial to consider synonyms such as "ensure that" or "verify that" depending on the context and desired level of formality. Used across various domains, from news and academia to wikis, "make certain that" is a reliable phrase that effectively conveys the need for diligence and confirmation. Be mindful of overuse, and diversify your writing with alternatives to maintain a clear and engaging style.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
ensure that
This is a more concise and formal alternative.
make sure that
A more informal version of the original phrase.
assure that
This alternative emphasizes providing confidence or certainty.
verify that
Focuses on confirming the truth or accuracy of something.
confirm that
Similar to verify, but can also mean to strengthen or establish.
guarantee that
Suggests a stronger level of certainty and a promise.
ascertain that
Implies a careful and thorough investigation.
see to it that
An idiomatic phrase meaning to take responsibility for something.
take care that
Emphasizes being cautious and attentive.
establish that
Focuses on proving or demonstrating something to be true.
FAQs
What does "make certain that" mean?
"Make certain that" means to take steps to "ensure that" something is definitely done or is the case. It emphasizes the importance of confirming or verifying something.
How can I use "make certain that" in a sentence?
You can use "make certain that" to emphasize the importance of a specific action or outcome. For example, "Please "make certain that" all doors are locked before leaving."
Which is more formal, "make sure that" or "make certain that"?
"Make certain that" is generally considered slightly more formal than "make sure that". Both are acceptable, but the context may dictate which is more appropriate.
What are some alternatives to "make certain that"?
Alternatives include "ensure that", "assure that", "verify that", and "confirm that". The best choice depends on the specific nuance you want to convey.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested