The phrase "believed to be doing" is correct and usable in written English.
It can be used when discussing something that is assumed to be happening based on a certain set of conditions or evidence. For example, "The woman was believed to be doing the wrong thing, although her innocence was later proven."
He is believed to be doing even better in the northern coastal cities and highlands.
Hedge funds that practice convertible arbitrage are believed to be doing well in this environment, too.
While no other American professional sports team is believed to be doing exactly what the Union are with their relationship to YSC Academy, the model does have some roots in the United States.
And when some communities are believed to be doing certain things and getting away with it, or being favoured by those in power at white people's expense, it's not long before a rightwing backlash starts to take hold.
Petstore.com was privately held and did not reveal sales figures, but was believed to be doing around $10 million per year.
The Sudanese government is suspected of providing weapons and logistical support to southern rebels, while Kiir's government is believed to be doing the same for those fighting the Sudanese government.
The reduction is believed to be done by terpenoids and reducing sugars present in the leaf extract.
What people believe to be doing only for themselves generate peer effects and creates social contamination.
According to the World Bank's Doing Business indicators, Ethiopia is believed to be not doing well as the role of private sector in international trade is limited (Ibid).
For three days, it was believed to be a done deal, even though there was no official word.
By doing so, the world itself is pushing away the prospects for a solution, while pretending - or even believing - to be doing the exact opposite.
