The phrase "activity that needed to" is correct and usable in written English.
It can be used when referring to a specific action or task that was required or necessary in a particular context.
Example: "The team focused on the activity that needed to be completed before the deadline."
Alternatives: "task that had to" or "action that was required to".
In showing how knowledge of the Holocaust and the trial of its perpetrators has been instrumentalized, Ophüls sometimes gives a sense of instrumentalizing that knowledge himself — as if the very notion of recovering long-overlooked information about the Holocaust was an activity that needed to be justified.
Upon realizing it was wild activity that needed to be documented on my Canon 1DX, I ran out in a rush, still in my pajamas, to capture life in the now.
"In the whole system approach in beating the war on Ebola, contact tracing is the key public health activity that needs to be done," said Gavin MacGregor-Skinner, who helped with the Ebola response in Nigeria with the Elizabeth R. Griffin Research Foundation.
It is a major project activity that needs to be managed carefully if it is to be successful.
Designing structural configurations for today's building structures is a challenging engineering activity that needs to be supported.
This article analyzes an important dimension in which the organization of the projects performed by the same firm can differ: the insourcing or outsourcing of an activity that needs to be undertaken in each of the different projects.
This is an all-consuming activity that needs to stop once in a while.
In a May 2010 Harvard Business Review article, Jeanne and her co-author Karie Willyerd report the following from their survey of 2,200 professionals in a number of fields: "Millennials view work as a key part of life, not a separate activity that needs to be 'balanced' by it.
According to this account, the amount of evidence-related activity that needs to be accumulated to a decision threshold is determined by its starting point (see Figure 1b): the higher the starting point (baseline activity), the less evidence needs to be accumulated to reach a fixed decision threshold.
Once the effectiveness of audits has been demonstrated hospital management, with the support of the Ministry of Health, should advocate that they are an internal quality improvement technique and as such part of the staff's duty, and not an optional activity that needs to be paid extra.
Whether by intention or neglect, the Bush administration omitted the census from a list of several activities that needed to be exempted from that limit.
