The phrase "has been increasingly working" is correct and usable in written English.
You can use it in a sentence when you're talking about incrementally increasing effort or activity over time. For example: "The company has been increasingly working on improving customer service over the last few months."
The two associations have been increasingly working in partnership; they jointly run a project called "Scoutlink" which delivers citizenship and peace building programmes with a range of groups in Northern Ireland and the border counties of the Republic.
But in recent years, they said, it has been increasingly hard to find work.
He said he felt corporate governance experts might consider it to be a problem to have two octogenarians on the board and, he added, he has been increasingly less comfortable doing work travel and undertaking other board activities as he has gotten older.
The relevance of psychosocial and subjective factors for a successful return to work after accidents has been increasingly recognised in the literature.
During that time trustees quietly, almost stealthily, scoured artists' studios, art galleries and auction houses -- and even their own living rooms -- for the kind of important postwar American work that has been increasingly vanishing from the market as it has been acquired by collectors and institutions.
In the past seven years, O'Connor has been increasingly clear about her disenchantment with the work of her successors, especially Chief Justice John G. Roberts and Samuel A. Alito, Jr., (who took her seat).
At the same time, the relationship between environmental aesthetics and environmentalism has been increasingly scrutinized, resulting in criticism of earlier work in the aesthetics of nature as well as detailed assessments of contemporary positions.
Notably, the importance of duration in determining the strength of the shift work/cancer association has been increasingly recognized.
Former ministers have been increasingly willing to go public about what working with Mr Brown is like most devastatingly the former home secretary, Charles Clarke, last September.What is surprising is the source, the timing and the ferocity of the attack.
