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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I ascertain that

Grammar usage guide and real-world examples

USAGE SUMMARY

"I ascertain that" is correct and usable in written English.
You can use it in a sentence to emphasize when you've concluded or determined a certain fact. For example: "After doing some research, I ascertain that the project will be completed by the end of the month."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

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

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Probably wine) The packaging from a Tesco Finest Sherry Trifle A box marked Davidoff Adventure From this I managed to ascertain that: a) She doesn't recycle her glass bottles b) She seems to only eat desserts c) She uses cheap shampoo With the other celebrity trash we'd stolen, we tried to make it into something to do with that person.

News & Media

Vice

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

By the time of Quinn's inquest, he had signed a new statement in which the word "no" had appeared, so that it read: "I ascertained that no Military Personnel had fired from Springmartin Road …" A few minutes after the deaths of Mullan and Quinn, another group of people, gathered opposite the Henry Taggart memorial hall, 250 yards to the south, also came under fire.

News & Media

The Guardian

I thought -- but only the next morning, after a clipped call to 311, the city's information hot line, from which I ascertained that sand theft is illegal -- that this digging could characterize immigration: you take what you can from your home country, toss it into bags and get ready to flee, hoping the grains will last you.

News & Media

The New York Times

If the source is Russia, we should be able to ascertain that pretty quickly.

News & Media

The New York Times

The White House takes care to ascertain that petition signatories are bona fide US citizens.

News & Media

The Guardian

It was in News International's power to ascertain that, wasn't it?

News & Media

The New Yorker

Dead insects were dissected under the stereomicroscope to ascertain that mortality resulted from nematodes' infection.

From a section in the notebook marked "Alternatives to death," Lymberis added that we can ascertain that "he was desperate.

News & Media

Vice
Show more...

Expert writing Tips

Best practice

When using this phrase, ensure the statement that follows is factual and supportable.

Common error

Avoid using "I ascertain that" in casual conversations or informal writing. Simpler phrases like "I think" or "I believe" are often more appropriate and natural.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I ascertain that" functions as a declarative statement introducing a conclusion or finding. It serves to emphasize the speaker's certainty and authority. As Ludwig AI states, the phrase is correct and emphasizes a conclusion.

Expression frequency: Rare

Frequent in

News & Media

33%

Science

33%

Formal & Business

33%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "I ascertain that" is a formal phrase used to introduce a conclusion or finding, indicating certainty and authority. While grammatically correct and usable, as Ludwig AI confirms, its frequency is rare, making it more suitable for formal and scientific contexts. It is vital to avoid overuse in informal settings, opting for simpler alternatives like "I think" or "I believe". Related phrases such as "I have determined that" or "I have concluded that" can offer similar meanings with varying degrees of emphasis. Top authoritative sources for this phrase include The New York Times and The Guardian.

FAQs

What does "I ascertain that" mean?

The phrase "I ascertain that" means "I have determined or established with certainty". It indicates that the speaker has reached a firm conclusion based on evidence or reasoning.

When is it appropriate to use "I ascertain that"?

It is most appropriate to use "I ascertain that" in formal writing or speech when you want to emphasize that you have reached a well-considered and substantiated conclusion. It can be used in reports, academic papers, or professional communications.

What are some alternatives to "I ascertain that"?

You can use alternatives such as "I have determined that", "I have concluded that", or "I have confirmed that" depending on the specific nuance you want to convey.

Is "I ascertain that" more formal than "I think that"?

Yes, "I ascertain that" is significantly more formal than "I think that". "I think that" expresses a personal opinion or belief, while "I ascertain that" implies a more rigorous and evidence-based conclusion.

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Source & Trust

84%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: