Example sentences of "may have been [verb] during the " in BNC.

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1 After the rug has been clipped , it is washed to remove any dirt that may have been collected during the weaving process and to give the pile its particular " finish " .
2 Here and there minor changes in field boundaries may have been made during the past 150 or 200 years , but on the whole the enclosure map lays down the present-day pattern exactly .
3 5.12.4 Unless the Landlord shall otherwise direct to carry out and complete before the expiry of the Term any works required to be carried out to or in the Premises as a condition of any planning permission which may have been granted during the Term irrespective of the date by which such works were required to be carried out It is understandable that a landlord will wish to ensure that the tenant not only complies with planning legislation but also does not make application for planning permission without the landlord 's consent .
4 It may have been dropped during the run-in to opening in 1692 , to spare the first-night audience too long a wait for the music they had paid to hear in this long-expected opera ; for it can perfectly well be done without .
5 Over the first three days he was watched increasingly closely , as it appeared that he may have been sleeping during the early evening when no recordings were being made , and during the nights his wife seemed to be doing her best to keep him awake .
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