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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
he has ascertained
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "he has ascertained" is correct and usable in written English.
It can be used when indicating that someone has determined or discovered something through investigation or inquiry. Example: "After thorough research, he has ascertained the cause of the issue."
✓ Grammatically correct
News & Media
Science
Wiki
Formal & Business
Encyclopedias
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
1 human-written examples
After he has ascertained that the ideas make sense, he bows out.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
More significantly, a sergeant from the special investigation branch of the Royal Military police signed a statement in which he said that during his inquiries he had "ascertained that Military Personnel had fired from Springmartin Road".
News & Media
Earlier in the day, Mr. Obama had berated reporters for obsessing on the theatrics of the meeting, saying he was "fascinated with the fascination" over the issue, which has been boiling since Sergeant Crowley, responding to a call about a possible break-in, arrested Professor Gates for disorderly conduct even though he had ascertained that he was in his own home.
News & Media
Before agreeing to make way, Williams said he had checked to make sure there was another National on the committee – given broadband is a significant political issue in the regions – but once he had ascertained Andrew Broad was a member he had stepped off willingly.
News & Media
This story originated in 1876, when the volunteer curator of Independence Hall, Colonel Frank Etting, announced that he had ascertained the truth of the story.
Wiki
He had ascertained their position from ships he had stopped along his journey, but unfamiliar with the local channels and shoals he decided to wait until the following morning to make his attack.
Wiki
I'm not sure what everyone expected Jobs to be working on, but the Wall Street Journal, ever vigilant, has ascertained that he is "pouring almost all of his attention into" the tablet.
News & Media
But the hitters who will bat behind him are much less potent -- as Manager Bob Brenly has ascertained.
News & Media
And as everyone from Mary J Blige to Olivia Newton-John has ascertained, this is the best love of all.
News & Media
"The court has ascertained that Nevzlin organised a whole host of extremely serious crimes," declared Judge Valery Novikov.
News & Media
To date, the SSC has ascertained 784 reportable stillbirths delivered from January 1 , 2010 through December 31 , 2011
Science
Expert writing Tips
Best practice
Pair the phrase with strong verbs describing the method of discovery, such as "through", "by", or "from".
Common error
Avoid using "he has ascertained" in casual conversations or informal writing. It can sound overly formal or pretentious in such settings. Opt for simpler alternatives like "he found out" or "he learned".
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "he has ascertained" functions as a declarative statement indicating that a male individual has definitively discovered or established something. Ludwig AI confirms its correct usage. It is a verb phrase in the perfect tense, conveying a completed action with present relevance.
Frequent in
News & Media
35%
Science
30%
Wiki
15%
Less common in
Encyclopedias
10%
Formal & Business
10%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "he has ascertained" is a grammatically correct and widely used expression to indicate that a male individual has discovered or determined something through investigation or verification. As Ludwig AI confirms, it fits primarily within formal contexts, such as news, science, and encyclopedic writing, though also sometimes used more informally. For less formal situations consider using alternative phrases like "he has found out". Remember to use it appropriately to add sophistication and avoid sounding pretentious in casual conversations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
he has determined
Replaces "ascertained" with a more common synonym, focusing on the act of finding something out definitively.
he has discovered
Emphasizes the act of uncovering something previously unknown.
he has found out
An informal alternative to "ascertained", suitable for less formal contexts.
he has confirmed
Indicates that something has been verified as true or accurate.
he has established
Suggests that something has been proven or demonstrated to be the case.
he has verified
Focuses on the act of checking something for accuracy or correctness.
he has learned
Implies gaining knowledge about something, often through experience or study.
he has figured out
Suggests solving a problem or understanding something complex.
he has understood
Emphasizes comprehension and grasping the meaning of something.
he has realized
Focuses on becoming aware of something, often suddenly.
FAQs
What does "he has ascertained" mean?
The phrase "he has ascertained" means he has discovered or determined something, typically through investigation or careful examination. It implies a level of certainty and verification.
How can I use "he has ascertained" in a sentence?
You can use "he has ascertained" to indicate that someone has found something out through a deliberate process. For example, "After thorough research, "he has ascertained" the cause of the problem."
What are some alternatives to "he has ascertained"?
Alternatives to "he has ascertained" include "he has determined", "he has discovered", "he has found out", and "he has confirmed". The best choice depends on the specific context and the desired level of formality.
Is it appropriate to use "he has ascertained" in all types of writing?
While grammatically correct, "he has ascertained" is more suitable for formal or professional writing. In casual conversation or informal writing, simpler alternatives may be more appropriate.
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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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested