The phrase "a major task of" is correct and usable in written English.
It can be used when discussing significant responsibilities or duties associated with a particular role, project, or organization.
Example: "A major task of the project manager is to ensure that the team meets its deadlines and stays within budget."
Alternatives: "a key responsibility of" or "a primary duty of".
With the Montreal Impact graduating to M.L.S., we faced a major task of showing growth in attendance this season.
A major task of Checketts's last 10 months as the Garden's president was coping with the Yankees' push to abandon MSG to start their own network.
In an interview for the revival's programme, Stoppard says he has become increasingly convinced that a major task of a playwright is "the ordering of the flow of information from the stage to the audience".
A major task of cultural anthropology was thought to be that of classifying different societies and cultures and defining the phases and states through which all human groups pass the linear interpretation of history.
The hedge fund manager Paul Singer said defining proprietary trading — a major task of the Dodd-Frank law — was a "metaphysical exercise," according to Lauren Tara LaCapra of Reuters.
After its first public hearing in Darwin was devoted to treading old ground, it became apparent a major task of the Northern Territory juvenile protection and detention royal commission will be how to get governments to act on the advice they repeatedly ask for.
The fast simulation of large networks of spiking neurons is a major task for the examination of biology-inspired vision systems.
From our results we conclude that establishing functional expression of iron sulfur cluster enzymes will be a major task for the integration of the EDP and other biochemical pathways in yeast.
A major task for a subset of these proteins is to first ensure that nucleosomes are partially or completely dismantled in front of transcribing Pol II to facilitate its progression across transcribed units and then to subsequently reassemble nucleosomes after Pol II passage.
Given the above mentioned scenario, it is a major task to urge Nigeria as one of the member states of the African Union to review policies impacting pastoralism, in accordance with the Policy Framework, to develop a national policy which takes into account the peculiar needs of pastoralism.
"There is now a major task ahead of us in terms of repairing the damage caused by these floods, and I am calling on the government to support us in this and make additional funds available.
