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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I made certain that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I made certain that" is correct and usable in written English.
You can use it to express that you ensured or confirmed something was done or in place. Example: "I made certain that all the documents were submitted before the deadline."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

During my tenure, I made certain that students had the information they needed to become strong applicants; however, they never received from me a checklist of what they needed to do to prepare for medicine.

I made certain that I was alone and then allowed myself to stay there for a while.

News & Media

Huffington Post

Armed with this information, I made certain that classrooms were circular in design and compact in footprint so that the female students felt protected and closely connected to one another during their studies.

News & Media

Huffington Post

I made certain that the events were undergirded by emotional truth so that no matter what form Pavla took, or what astonishing thing was happening to her, the underlying emotions were as recognizable as they would be in a story more firmly rooted in realism.

News & Media

HuffPost

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

Because I'm one of the rabid feminists of which Oxford Dictionaries speaks, I make certain that my generic "shes" are not always in positions of vulnerability.

I make certain that whichever hand holds onto the building stays put and dig my fingers into whatever groove, bump or notch the window frame offers up.

News & Media

The New York Times

He had a formula: Prepare extensively every time, be funny ("Every seven to nine minutes I'll have them laughing"), and frequently reinforce the broader message ("I make certain that every five minutes I'm giving them a concept, an idea, a process, a hope builder").

News & Media

The New York Times

And I want to do absolutely everything I can to make certain that happens.

News & Media

The New York Times

From that moment, every spare moment was spent practicing it, making certain that I knew and could convey every line.

News & Media

The New Yorker

The irony is that I made certain assumptions that my goodwill and altruistic motivations went to the top.

News & Media

The Guardian

I've made certain that I've never humiliated someone too bad.

News & Media

Forbes
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Expert writing Tips

Best practice

Use "I made certain that" to clearly express that you took specific actions to ensure a particular outcome. For example, "I made certain that all safety protocols were followed before starting the experiment."

Common error

While grammatically correct, "I made certain that" can sound overly formal in casual conversation. Consider using "I made sure that" in less formal settings.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I made certain that" functions as a clause introducer, indicating that the speaker took deliberate action to ensure a specific outcome. It connects the speaker's action with its result, similar to examples found in Ludwig.

Expression frequency: Common

Frequent in

News & Media

45%

Academia

30%

Formal & Business

10%

Less common in

Wiki

5%

Encyclopedias

5%

Science

5%

Ludwig's WRAP-UP

In summary, "I made certain that" is a grammatically sound and frequently used phrase for expressing assurance and responsibility. As Ludwig AI confirms, it effectively introduces a clause indicating proactive action to ensure a specific outcome. While generally neutral in tone, it leans towards formality and is commonly found in news, academic writing, and professional communication. For less formal contexts, consider alternatives like "I made sure that". To ensure clarity, use "I made certain that" when emphasizing your role in guaranteeing a particular result.

FAQs

What can I say instead of "I made certain that"?

You can use alternatives like "I ensured that", "I verified that", or "I made sure that" depending on the context.

Is "I made certain that" formal or informal?

The phrase "I made certain that" is generally considered neutral to slightly formal. It's suitable for professional and academic contexts but may sound a bit stiff in very casual settings.

How to use "I made certain that" in a sentence?

Use "I made certain that" to introduce a clause explaining what actions you took to ensure a specific result. For example, "I made certain that the report was submitted on time."

What is the difference between "I made certain that" and "I made sure that"?

"I made certain that" and "I made sure that" are very similar in meaning. "I made certain that" can sound slightly more formal or emphatic, but they are often interchangeable.

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Real-world application tested

Most frequent sentences: