'has been freely using' is correct and can be used in written English.
You can use it to indicate that an action has been taking place without restriction. For example: "The company has been freely using the new software since its release."
Applicants have to prove the site has been freely used for recreational purposes for 20 years or more.
Instead, prorogation the device of leaving a magistrate in office pro magistratu ("in place of a magistrate") after his term had expired, which had hitherto been freely used when emergencies had led to shortages of regular commanders was established as part of the administrative system: thenceforth, every year at least two praetors would have to be retained as promagistrates.
A 1.4 million tonne stockpile of slag containing up to 2.5% Pb and other contaminants has accumulated on a smelter site at North Lake Macquarie, New South Wales, Australia, and it has also been freely used within the community for landscaping and drainage projects.
In almost all other countries, quinolones have been freely available and used for a broad range of indications as first-line therapy and have been promoted in treatment guidelines for conditions such as community-acquired pneumonia and uncomplicated urinary tract infections (11, 12 ) Australia has a subsidized outpatient pharmaceutical plan, the Pharmaceutical Benefits Scheme (PBS).
Companies in the United States have been providing DNA kits for home use, which have been freely available and widely used in the north-western states of Punjab and Haryana since 2006.
Call me cynical, but I have to think that HGH is freely used in baseball without fear of getting caught.
Absolute majority of people, especially those of college age, watch TV shows, and a number of more well-known ones, like A Game of Thrones, have almost universal appeal and can be freely used as supportive imagery for projects that have no immediate connection to them – yet they will be recognized at once, creating a foundation almost everybody can relate to.
Euro coins from any member state may be freely used in any nation that has adopted the euro.
These high-resolution images can be freely used and remixed.
It can thus be freely used and extended by community.
