The phrase "concerned with the task" is correct and usable in written English.
You can use it when you want to refer to someone who is focused on achieving a particular goal or completing a task. For example, "John is a hardworking employee, always concerned with the task at hand."
Those who teach history should be continually concerned with the task of seeking the solid and concrete behind the empty and abstract.
Still, Mr. Ali also made clear that at the moment Mr. Morsi was urgently concerned with the task of reviving Egypt's moribund economy, and that could constrain its independence.
Comprising three major sections, "God's Work of Reconciliation," "The Ministry of Reconciliation," and "The Fulfillment of Reconciliation," the new creed was primarily concerned with the task of the church, Presbyterian or any other, in the modern world.
In response to the first phase of work, working independently to make conjectures, teachers were concerned with the task resources that students use to make conjectures - in particular, teachers were concerned with how students misused task resources and what additional resources they might benefit from using.
However, we are not concerned with the task of detecting arguments in this article, since FACTA+ only uses information on abstract-level occurrences of concepts.
Instead of testing for significance of individual terms, this study is concerned with the task of assessing the global functional coherence of gene sets, for which novel metrics and statistical methods have been devised.
Sankara declared the objectives of the "democratic and popular revolution" to be primarily concerned with the tasks of eradicating corruption, fighting environmental degradation, empowering women, and increasing access to education and health care, with the larger goal of liquidating imperial domination.
"When asked about it, the response should have been, 'I hardly know I have it.' " Mark Alexander, the Seton Hall professor who was Mr. Bradley's issues chief, was still standing in the near-empty room a full 45 minutes after the announcement, now concerned with the prosaic task of dismantling what was left of the campaign.
"I am satisfied that the panel was entitled to reach the conclusion that nothing less than erasure would suffice to maintain confidence in the medical profession in general and the specialist discipline concerned with the difficult task of giving expert evidence in child protection cases in particular".
Yet the most important parts of Erwin's book are not concerned with the modern task of reconstructing the evidence but on the evidence itself, which he lays out in a series of chapters each dealing with a different piece of data from the mass extinction.
