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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I ascertain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I ascertain" is correct and usable in written English.
You can use it when you want to express that you have determined or discovered something through investigation or analysis. Example: "After reviewing the data, I ascertain that the project is on track for completion by the deadline."
✓ Grammatically correct
News & Media
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
4 human-written examples
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.
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
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.
News & Media
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
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
But the loves of the gods, I ascertained, left her unmoved and puzzled.
News & Media
But the loves of the gods, I ascertained, left her unmoved — and puzzled.
News & Media
From the rest of Twitter, which got very active at 10.31pm, I ascertained that the something is not nice.
News & Media
"Now he's married to a Kennedy, and he says things like 'I ascertained such and such,' " Mr. Mele said.
News & Media
That what I did was illegal I ascertained the following morning with a clipped call to 311, the city's information hotline.
News & Media
"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.
News & Media
Expert writing Tips
Best practice
Use "I ascertain" in formal writing or when you want to emphasize the thoroughness of your investigation or analysis. It suggests a careful and deliberate process of discovery.
Common error
Avoid using "I ascertain" in casual conversation or informal writing. Its formal tone can sound stilted or pretentious in less formal contexts. Opt for simpler alternatives like "I found out" or "I determined" in such situations.
Source & Trust
89%
Authority and reliability
3.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I ascertain" functions as a declarative statement where the speaker is conveying their determination or establishment of a fact or understanding. Ludwig AI confirms its usability in written English, suggesting it effectively communicates a conclusion derived from investigation or analysis.
Frequent in
News & Media
67%
Science
33%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "I ascertain" is a grammatically sound but relatively uncommon way to express that one has determined or established something. Ludwig AI confirms its validity. Its formal tone makes it more suitable for academic, scientific, or professional contexts. While grammatically correct, be mindful of its register and choose simpler alternatives like "I determine" in less formal settings. The phrase appears most frequently in news and media sources.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I determine
Direct synonym, replacing "ascertain" with "determine" for a slightly less formal tone.
I establish
Focuses on the act of firmly setting or proving something to be true.
I find out
More informal and focuses on the discovery of information.
I discover
Emphasizes the act of uncovering something previously unknown.
I confirm
Highlights the validation of something already suspected or hypothesized.
I verify
Focuses on proving the accuracy or truth of something.
I conclude
Suggests reaching a decision or judgment based on evidence.
I deduce
Implies reasoning from general principles to a specific conclusion.
I gather
Indicates collecting information from various sources to form a conclusion.
I understand
Focuses on grasping the meaning or significance of something.
FAQs
How to use "I ascertain" in a sentence?
Use "I ascertain" when you want to express that you have determined or found something out through a careful process of investigation. For example, "After reviewing the data, "I ascertain" that the project is on track."
What can I say instead of "I ascertain"?
You can use alternatives like "I determine", "I find out", or "I establish" depending on the specific context and desired level of formality.
Which is correct, "I ascertain" or "I ascertained"?
"I ascertain" is used in the present tense, while "I ascertained" is used in the past tense. Use the appropriate tense depending on whether you are referring to a current or past determination.
What's the difference between "I ascertain" and "I assume"?
"I ascertain" implies a process of careful investigation and discovery leading to a conclusion. "I assume" suggests making a guess or supposition without concrete evidence.
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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
89%
Authority and reliability
3.9/5
Expert rating
Real-world application tested