The phrase 'part has been completed' is correct and acceptable in written English.
It can be used when referring to a process or task that has been partially finished. For example: "We've made progress, but only the first part has been completed."
So perhaps the easy part has been completed and like school work can be marked - political commitment Tick, first tranche of funding Tick, over 200,000 Syrian children back at school Tick, new fund for the next emergency, big Tick.
Going further, we are installing a waiting control condition based on a second nursing home ecology with two intentions: First, the waiting control signifies natural trajectories of outcome measures over time; second, we plan to replicate the training program and do respective pre- and post-assessments after the intervention part has been completed in the target nursing home.
Only 6 of the 12 projected parts had been completed by the time of Dickens's death.
The fabrication of bunchers and their parts have been completed and tested at high power, the test results agree well with the design requirements.
Part 1 has been completed and the IDSMC recommended that the trial should proceed to Part 2 as planned.
The historical part of the model has been completed and the future projection part is being developed/tested.
Part of that sale has been completed.
That part of our task has been completed by our multi-agency security team.
"That part of our task has been completed by our multi-agency security team … Kenya has stared down evil and triumphed".
In the second part, a theoretical study has been completed to assess the power removal capability by NC from the core of a PWR having the current geometric configuration.
The "collecting" part of the mission has been completed, resulting into what is believed to be the largest collection of digitized oral history interviews on a single topic: almost 52,000 interviews of 32 languages, a total of 116,000 h of video.
