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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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i ascertain

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I ascertain" is correct and usable in written English.
It can be used when you want to express that you are determining or discovering something through observation or inquiry. Example: "After reviewing the evidence, I ascertain that the project will be completed on time."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

How can I ascertain once and for all if it is or it isn't?... Lucille V. Corrier, Manhattan A Is it Bing & Bing?

News & Media

The New York Times

My first morning of a new season, having bought the newspaper from the same kiosk lady who sees a narrow slice of Spoleto from her little blind, I ascertain that the barrista dispensing the cappuccino I have dreamed of all year is still turning out a brew our own indifferent coffee jerks can't manage.

In the event of us entering into a business relationship, I ascertain that in addition to an agreed monthly fee, you will also benefit from heavy traffic to your site which would in turn increase your earnings.

News & Media

TechCrunch

Secondary objectives were to: (i) ascertain if physical injury and poor academic performance were associated with ADHD, (ii) compare diagnostic utility of parent-filled Vanderbilt Assessment Scale (VAS) against Statistical Manual of Mental Disorders-IV (DSM-IV) as the gold reference and (iii) establish if there exists an association between ADHD symptoms cluster and co-morbid conditions.

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

"I ascertained he was wrongly accused," Mr. Koch said on Tuesday.

News & Media

The New York Times

But the loves of the gods, I ascertained, left her unmoved and puzzled.

News & Media

The New Yorker

But the loves of the gods, I ascertained, left her unmoved — and puzzled.

News & Media

The New Yorker

From the rest of Twitter, which got very active at 10.31pm, I ascertained that the something is not nice.

"Now he's married to a Kennedy, and he says things like 'I ascertained such and such,' " Mr. Mele said.

News & Media

The New York Times

That what I did was illegal I ascertained the following morning with a clipped call to 311, the city's information hotline.

News & Media

The New York Times

"I ascertained it wasn't a story about satanism and it wasn't a story about evil, which was very important to me because, purely on a practical level, I didn't feel like going home and finding all the doors banging and shutting when I was lying in bed, or waking up with a gothic demon sitting on my chest.

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Expert writing Tips

Best practice

Use "I ascertain" in formal writing or when you want to convey a sense of careful and thorough investigation before reaching a conclusion.

Common error

Avoid using "I ascertain" in casual conversations or informal writing. It can sound pretentious or overly verbose in contexts where simpler alternatives like "I found" or "I determined" would be more appropriate.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I ascertain" functions as a declarative statement, where the speaker is expressing their act of discovering or establishing something. It suggests a process of careful investigation and reasoned conclusion. Ludwig AI confirms its correctness in written English.

Expression frequency: Rare

Frequent in

News & Media

40%

Science

30%

Formal & Business

30%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "I ascertain" is a grammatically sound phrase used to express the act of discovering or establishing something through investigation. Ludwig AI validates its correctness. While accurate, it's relatively rare and best suited for formal contexts where a precise and somewhat elevated tone is appropriate. Simpler alternatives may be preferable in casual settings. The phrase finds its primary usage in news, scientific writing, and business communications, as confirmed by the source analysis.

FAQs

How can I use "I ascertain" in a sentence?

You can use "I ascertain" when you want to express that you are determining or discovering something through observation or inquiry. For example: "After reviewing the evidence, I ascertain that the project will be completed on time."

What can I say instead of "I ascertain"?

You can use alternatives like "I determine", "I find", or "I establish" depending on the context.

Is it okay to use "I ascertain" in everyday conversation?

While grammatically correct, "I ascertain" is quite formal and might sound out of place in casual conversations. Simpler alternatives are generally preferred.

What is the difference between "I ascertain" and "I assume"?

"I ascertain" implies a process of gathering information and coming to a conclusion based on evidence. "I assume" on the other hand, suggests making a judgment without concrete proof.

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Source & Trust

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Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: