Example sentences of "and [adv] [prep] a period [prep] " in BNC.

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1 They all had their pictures done and eventually over a period of about a year , she actually did a portrait of everybody in the Home .
2 And eventually after a period of time that ins outer insulation will wear down , it will fray and it will break and it will expose the live and the neutral wires until , unfortunately sometimes , it will be a little bit too late .
3 However , fearing that the UN force would legitimize the loss of its territory to Serbia , Croatia also continued to insist that the force should be deployed only on the 560-km front lines and only for a period of six months .
4 It is much better to build up endurance levels gradually and gently over a period of weeks and months .
5 A typical building of 10 storeys will sway back and forth in a period of 1 second , giving it a natural frequency of 1 cycle per second or 1 hertz .
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