The phrase 'has been largely completed' is correct and usable in written English.
You can use it in a sentence when you want to describe something that has been mostly finished, but may require a few more tasks. For example: 'The project timeline has been largely completed, but we still need to do a few final checks before it is fully finalized.'.
The sectarian cleansing of Baghdad has been largely completed, leaving few mixed neighborhoods and putting brutal militias — especially those claiming allegiance to Moqtada al-Sadr — in charge of the rest of the city.
Stephen Hester, the chief executive of insurer RSA, has warned about the impact of Brexit on the insurer's business as he declared that his turnaround plan has been largely completed.
A Welsh Assembly Government spokesman said: "We have part funded a project to increase the capacity of the railway infrastructure in order to facilitate an hourly service, and this work has been largely completed".
At 14 days post androgen withdrawal the acute apoptotic phase of tissue rearrangement in prostate xenografts has been largely completed [22].
He contended that he should be permitted to finish the building because its foundation had been largely completed before the zoning changes took effect.
The Health Department study cited as the latest reason for the delay was thought to have been largely completed some time ago.
But the notion that claims must be made in a timely fashion is a basic part of insurance law, lawyers say, and the failure of companies to inform insurers about their Year 2000 work until it had been largely completed has been one of many defenses raised in the lawsuits.
The Hastings Pier Charity said work on the parade extension had been largely completed and the refurbishment of the pavilion to create a new restaurant can now start.
Cells were photoconverted as described above and embryos were imaged over time from shield stage (6hpf) to bud stage (10hpf), when gastrulation movements have been largely completed (Warga and Kimmel, 1990).
It has been demonstrated that there was probably some under-registration during the early 1970s but, from the late 1970s onwards registration has been largely complete and consistent (Quinn et al, 2001).
30 min after the "off" stimulus the aequorin-luminescence has been largely relaxed, but complete return to the basal level needed at least 60 min (Fig. 2b, c).
