The phrase "are to be actively" is correct and usable in written English.
It can be used in contexts where you want to indicate that something is expected or required to be done in an active manner.
Example: "All team members are to be actively engaged in the project discussions to ensure everyone's input is valued."
Alternatives: "are expected to be actively" or "should be actively".
They show us that conversations are possible across distances". Of course, not all conversations are equal, and some are to be actively avoided.
That nihilistic outlook dictates that conflicts against Hitler and Hitlerism remain imaginatively close while Britain's many wars of decolonisation - particularly in Africa, Malaya, Cyprus and Aden - are to be actively forgotten.
A full accounting of the effect of forest management on forest carbon exchange is needed if forests are to be actively integrated into plans for reducing atmospheric concentrations of greenhouse gases.
Furthermore, register staff are to be actively involved in local 'quality improvement' at hospitals.
Community councils, made-up of volunteer community members, are to be actively involved in identifying, prioritizing, and solving problems and issues in their own community and municipality.
However, residents who are to be actively enrolled in the experimental or control condition will have to meet an additional selection criterion.
My main advice is to be actively engaged and interested in their lives, which includes life online.
"If the president was to be actively involved on one side or the other, then it might have an effect.
But in showing that it is feasible for at least some E.T.F.'s to be actively managed, the plan may be a big step forward.
"The only way I see myself becoming one of the cherished traditions of the Village," Mailer wrote, echoing the motto of the Villager, "is to be actively disliked each week".
To watch the film is to be actively involved in the challenge of its creation".
