The phrase "are making considerable" is correct and usable in written English.
It can be used to describe an ongoing action that involves significant effort or impact.
Example: "The researchers are making considerable progress in their study of climate change."
Alternatives: "are achieving significant" or "are realizing substantial".
"We are making considerable progress in implementing our budget program," he said.
With those additional forces in Afghanistan, we are making considerable gains toward our military objectives.
This lack of progress undermines efforts from the governments of the African elephant range states, such as Kenya, Malawi and Zambia, which are making considerable efforts to improve their anti-poaching and enforcement systems.
The study suggests that General Motors, Ford and Chrysler are making considerable progress in their efforts to improve their reputations, though in the overall ratings of companies, they still lag behind their Asian and European rivals.
While the challenges in New York are daunting, the 9,700 communities in America with kerb-side recycling programmes are making considerable progress in providing this relatively new public service in the most cost-effective manner possible.
F.C.: We are making considerable progress, but I think there were unrealistic expectations.... What we have now is the foundation of information that we didn't have before.
And until the past few months, the country had been making considerable economic progress.
"I am not the most handy guy, and I don't have time to be making considerable repairs," he said.
Alongside this, a new industry providing participants for these studies has been spawned and is making considerable profits.
Rightwing populism is on the march, and it is making considerable inroads into working-class communities that traditionally opted for the left.
There was life aplenty as we moved out into Dead Horse Bay: just west of the Marine Parkway Bridge, gulls and bluefish were making considerable mayhem.
