The phrase 'assist with this task' is correct and usable in written English.
You can use it when you want to ask someone to help you with a task. For example, "Could you please assist with this task?".
We are delighted that Ivan has decided to join the Firm as an Advisory Partner to assist with this task.
The person need not be able to enact her values on her own — it is part of the surrogate's role to assist with this task.
In the months after the war the Section was assigned a large number of soldiers to assist with this task.
One possible strategy that may assist with this task is the application of Systems Biology tools.
Education of the community on meta-data tagging of data sets, and development of tools to assist with this task, could go a long way to maximizing the utility of data to other researchers.
Although our model represents knowledge obtained from 2,128 SAH patients in equipoise regarding treatment, statistical models can never replace the clinician with regard to decision making; they can only assist with this task.
Unfortunately, even with the considerable talents recruited to assist with this mammoth task, the project itself is something of a mish-mash.
There, West Germany agreed to assist with the task of withdrawing some 360,000 Soviet troops and 200,000 dependents stationed in East Germany over four years.
Touré provided Webb with details of the abuse he faced in Moscow and agreed to assist with the task force's planned anti-racism educational programmes, according to Concacaf, which is headed by Webb.
A new animation program called Tonic was invented to assist with the task, and the character's hair ultimately required 420,000 CGI threads.
