The phrase "advertisements most of" is not correct and does not form a complete thought in written English.
It may be intended to refer to a majority of advertisements, but it lacks clarity and context.
Example: "Advertisements most of the time are designed to attract attention and generate interest."
Alternatives: "most advertisements" or "the majority of advertisements".
"He found a private archive, and culled bits and pieces from various cinema advertisements (most of the ads are old, and France didn't allow commercial advertising on TV until 1968, and actually banned it last year, so they only had forty years of TV ads).
Campaign advertisements, most of them negative, are inescapable on radio and television.
The candidates and their parties inundated voters with 11 months of political advertisements, most of them negative.
Local television stations in Denver and in southern and western Colorado are already soaked with political advertisements, most of them currently from Mr. Romney's side.
Virtually anyone who reads a magazine or watches television sees drug advertisements, most of them for only a handful of drugs.
Lacking the millions Mr. Corzine spent on television advertisements, most of the other candidates have tried instead to shake hands with as many potential backers as possible.
But others make pilgrimages to this easternmost reach of Chinatown, where scores of advertisements, most handwritten in Chinese, are posted, their phone-number strips curling like beckoning fingers.
It has advertisements, but most of its $800,000 annual budget comes from foundations and contributions from readers.
The richest man in Italy, Mr. Berlusconi also placed the contract in a full-page advertisement in most of Italy's major newspapers, a kind of coupon attachment to the glossy 128-page biographishis campaign mailed to every Italian family.
Although often referred to as "ads," these zinger spots aren't really advertisements at all: most of them don't get broadcast.
Even in the "Advertisement", Hume says, "Most of the principles, and reasonings, contained in this volume, were published" in the Treatise.
