The phrase "we've been gathering" is correct and usable in written English.
You can use it when you want to express that you and others have been gradually accumulating something over a period of time. For example: "We've been gathering evidence to support our argument for the past two months."
In the meantime, the social networks have been buzzing and we've been gathering coffee quotes from literature.
Throughout the campaign, we've been gathering essential politics news from The Times and around the Web, and tomorrow evening, the app will be unlocked as we roll out live election results, video and other coverage.
We've been gathering videos and overviews of many of the applications and have held them until now.
We've been gathering more details on the yet-to-be-announced round and other financial details about the company, and the picture is now nearly complete.
We have been gathering feedback using a Wordle.
"We presented the information we have been gathering over the last week and the players made their decision based on that.
Over the last two years, we have been gathering oral histories of those impacted in different ways by Tech Boom 2.0 – from those evicted by networks of shell companies, to those who have experienced increased racial profiling and those who have fought their evictions through direct action … and won.
We have been gathering views from a wide range of multinational businesses on the competitiveness of UK higher education as evidenced by their purchasing and investment decisions: why do they recruit a graduate from here rather than there; why invest in that research team rather than this; why send rising stars to that business school rather than this?
Marcus Beale, assistant chief constable, said: "We have been gathering together all the material from the investigations in 1974, the latter investigations in the late 80s and the further work that was done in the 90s by West Midlands Police.
"We have been gathering intel about ISIS, a lot of their Twitter accounts and their websites," one Anonymous member told VICE News via a chat on the collective's AnonOps website.
We have been gathering information from the primary literature about the regulation of gene expression in E.coli for at least 10 years, when the first RegulonDB version was published [46].
