The phrase "ascertain so" is not commonly used in written English and may sound awkward or unclear.
It could be used in contexts where you want to confirm or verify something, but it is better to use more standard expressions.
Example: "I need to ascertain so before making a final decision."
Alternatives: "confirm that" or "verify this".
Defendant made a thorough effort to try to ascertain, so far as possible, the effect of photoduplication on plaintiff's business, including the presentation of an expert witness.
No fewer than sixty-four distinct generic types (many of them with numerous species) of these parasites are recognised as infesting birds, and the author has taken soecial pains to ascertain so far as possible the particular groups of birds to which these various genera respectively devote their attentions.
The satisfaction of our desires, and our very survival, depends upon our coming to ascertain, so far as we can, the truth about the natural world in which we find ourselves and about ourselves too.
The satisfaction of our desires, and indeed our very survival, depends upon our coming to ascertain, so far as we can, the truth about the natural world in which we find ourselves and about ourselves too.
The specific type of sleep problem should be ascertained so that appropriate interventions can be prescribed.
In theory, it should allow the media to print allegations that are in the public interest, irrespective of whether their truth can be ascertained - so long as certain important tests are applied.
"It hopes that the investigations may be concluded swiftly and the truth ascertained, so that the sport of cycling may be spared further unnecessary damage".
The true denominator of actual studies cannot be ascertained, so this is a collection of estimates.
Expression analysis ascertained so far for variants I and II in normal tissues [ 25] shows prevalent expression of splice variant I.
From the brief notes inspected, it was not possible to differentiate whether doctors' advice to stop smoking had been given or merely that smoking status had been ascertained, so 'discussion of smoking' may reflect either occurrence.
While the MOPH has commissioned assessments of the knowledge of health issues and care-seeking behavior by patients and of health workers' competency in making referrals [ 16], no further analysis has been undertaken to ascertain why so few patients in Afghanistan are referred, if there is a lack of compliance with referrals of sick children, and, if so, what the causes of noncompliance are.
