The phrase "are contemplating how" is correct and usable in written English.
It can be used when discussing thoughts or considerations regarding a particular action or decision.
Example: "The team are contemplating how to improve their workflow for better efficiency."
Alternatives: "are considering how" or "are pondering how".
In America, idled steelworkers are contemplating how to live off the land.
As the standoff continues, some of those who can legally drive now but may be in danger of losing their licenses are contemplating how their lives might change.
But that offers little reassurance for many Delta residents, who are contemplating how well the backwater levee can withstand the pressure.
Researchers are contemplating how to increase the percentage of CCR5-deficient cells in patients who lack the Trenton man's genetic mutation.
As scientists and car companies forge ahead — many expect self-driving cars to become commonplace in the next decade — researchers, city planners and engineers are contemplating how city spaces could change if our cars start doing the driving for us.
As world leaders meet at the United Nations this week to discuss globalization, economists and financial authorities in Southeast Asia are contemplating how the increasingly borderless world of commerce and information is somehow marginalizing once-envied tiger economies.
It's a contemplative film, and most members of the audience are likely to be contemplating how they can get out of the cinema without appearing to be philistines.
Mr. Barnet is contemplating how to expand the experience.
THE safe was unusual but not particularly challenging for Phil Mortillaro, who was contemplating how to break in.
Nevertheless, Prime Minister Nawaz Sharif announced a series of high-level meetings, suggesting that Islamabad is contemplating how to respond.
As they analyze the data, they are making it available to emergency personnel and to the Army Corps of Engineers, which is contemplating how it can close the inlet.
