Example sentences of "[vb past] [adv] a [adj] period [prep] " in BNC.
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1 | Using data collected over a 2-year period from plots under a variety of management techniques , ranging from maize cultivation to a range of pasture grasses , they report that soil erosion and nutrient losses were greatest from maize ( Zea mays ) and guinea grass ( Panicum maximum Jacq. ) plots . |
2 | This perspective is inadequate for an understanding of the colonial legal system because the post-independence practices evolved over a long period of time . |
3 | Like just about everything , they had a history and , like most other phenomena based on biological processes — for the ego and superego , although purely psychological agencies , nevertheless require a brain in which to function — evolved over an extended period of time . |
4 | Writing the play brought back a whole period of his early life : not merely the marriage to Vivien but the friendship with Emily Hale . |
5 | The use of the courts to end a railroad strike in 1922 ushered in a lean period for the unions . |
6 | The composition of these works stretched over a considerable period of time . |