The phrase "whose beginning" is grammatically correct and can be used in written English.
It is typically used to refer to the start or origin of something. Example: The book, whose beginning was quite slow, ended up being a gripping read.
Instead, it was an unsanctioned popular movement, whose beginning and ending are hard to trace.
He imagined "an assembly line, at whose beginning the first document is put, and then the other papers, and at its end the passport would have to come out as the end product".
Or a patient whose "beginning" starts with a stay in a hospital and probably will also end there.
And, as on Part 1, some songs go on for too long — including "Amnesia," whose beginning you may well have forgotten by the time you finally get to the end.
What's missing in the film is the very revolution whose beginning he has so solemnly announced.
The majority of people whose beginning status was incarceration or in-treatment also transitioned by the end of the observation period.
Overlooked is a series of obituaries about remarkable people whose deaths, beginning in 1851, went unreported in The Times.
Samples whose amplification begun late and sample whose relative fluorescence value on the raw melting-curve plot was low were not further processed.
During the 2000 presidential campaign, people whose surnames began with B were more likely to contribute to George Bush, while those whose surnames began with G were more likely to contribute to Al Gore.
Notably, five of the six patients with anti-MDA-5 antibodies whose disease began in 2002 and all four of the patients with anti-MDA-5 antibodies whose disease began in 2010 were from these two areas.
Speziale then contacted the FBI, whose agents began an inquiry.
