The phrase "was under preparation" is grammatically correct and commonly used in written English.
It is typically used to describe an action or event that is currently in the process of being prepared or planned. Example: The new product launch was under preparation for months before it finally hit the market.
Years later, when Winston Churchill — The Valiant Years was under preparation for television, its producers asked Sir Winston who he thought should do the voice of Churchill.
There had been reports, based on satellite imagery, that a launch was under preparation at the Sohae space centre on the west coast, but few were inclined to believe the worst until they had official notification from Pyongyang.
Additionally, Mr. Llancaqueo said new legislation governing migration and residency was under preparation, but Chile's Constitution required the Rapanui people to be consulted before the law is enacted, a process just getting under way.
Abdel Bari Atwan, editor in chief of Al Quds al Arabi, an Arabic-language newspaper published in London that has kept a close watch on Mr. bin Laden and his pronouncements, said today in an interview with the BBC that Islamic militants in touch with the newspaper had hinted that a major attack was under preparation, without giving any hint of when or where.
While this manuscript was under preparation, Kim et al. reported generating fully base-edited mouse embryos using BE3 (Kim et al., 2017a).
While this manuscript was under preparation for submission, we became aware of the study by Segal et al. [14] where the authors have actually analyzed in silico the number of possible tumor-specific HLA A201 epitopes based on known partial sequences of tumor transcripts; they calculate individual breast and colon cancers to have between 7 and 10 new epitopes.
The monetary authority is preparing to release a formal paper that had been under preparation even before the recent rise in the Hong Kong dollar, Mr. Ryback said.
"The sites that are under preparation, those are easily transferable to other uses".
"The visit has been under preparation for a long time in cooperation between authorities form Denmark, Australia and Nauru.
The arrangement, which has been under preparation for weeks, is due to be agreed at a meeting of the quartet today.
"The operations are under preparation and you will see them in your homes the minute they are through, with God's permission".
