The phrase 'still collaborating' is correct and usable in written English.
You can use it to indicate that two people are continuing to work together on a project. For example, "John and Mary have been working on their project for weeks now and they are still collaborating to bring it to completion."
"It is still happening now – the CIA is still collaborating with those who want regime change".
While she was still collaborating with others, changing the band name to her initials allowed Anderson to seem as if she were releasing her first album.
Moore and Jenkins are still collaborating on the "photographic novel" version of Unearthing, but there's no word on when it will be published.
Today, he said in an interview at his small apartment in a compound of the Chinese Academy of Sciences, he is still collaborating with scientists at M.I.T. in the search for "dark matter" in the universe.
He'd moved there, after teaching at the Bauhaus in Dessau, in order to concentrate on a career as a commercial and stage designer, while still collaborating with his former colleagues Walter Gropius, Marcel Breuer, and Herbert Bayer.
Nearly three decades later, Mr. McDermott, 61, and Mr. McGough, 54 — otherwise known as McDermott & McGough, to give them their art world tag — are still collaborating and performing, which is another way of describing their period-perfect lifestyle, although they are now on opposite sides of the Atlantic.
Third Wave and PE Biosystems said they would still collaborate.
They still collaborate to raise their young with non-breeding females, and males who are probably not the fathers, bringing food to pups.
Taylor dropped out after the second series, though the two women still collaborated on scripts for the Sid James and Diana Coupland sitcom Bless This House (1971-76).
According to De los Santos, a bilateral treaty between Honduras and Mexico means Castro could still collaborate with investigators from his home in San Cristóbal.
8. Kalenderian happened upon the antique jeweler and cuff-link specialist Longmire in London more than 20 years ago, and he still collaborates with the company.
