Example sentences of "over a period " in BNC.

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31 In several instances , the parents gradually became aware that something was ‘ wrong ’ : the user 's physical appearance deteriorated over a period of time ; household and personal items were unexplainedly missing from the home ; the user began borrowing heavily and often from parents and siblings .
32 Fertilisations may occur over a period of a month , but the most recent foetuses have the best chance to develop .
33 The plagues probably occurred over a period of about a year .
34 Four Minor Project schools were selected for closer investigation by the evaluation team and visited over a period of one or two days .
35 Average response speed tended to decrease over a period of twenty minutes in sleep-deprived subjects , unlike in rested controls .
36 He conducted research into how artefacts gradually develop over a period of time , the study of which is known as typology .
37 Eggs hatching over a period like this presents no problems for the megapodes .
38 The government provided compensation for the nobility , while the peasantry were to repay the government in annual redemption dues spread over a period of 49 years .
39 The effect of these regulations , so far as the Woolwich Building Society was concerned , was to subject it over a period of 24 months ( 6 April 1986 to 5 April 1988 ) to tax on 29 months of income , amounting to an excess of some £76m .
40 In such circumstances the costs are carried forward and amortised over a period not exceeding five years commencing when the group begins to benefit from the expenditure .
41 Although occasionally Nizan 's assessment of a writer fluctuated over a period of time ( Gide , Giono , Mauriac ) , although on occasions Nizan was simultaneously attracted and repelled by individual writers ( Mauriac , Drieu la Rochelle , Celine ) , the bottom line was always a clear differentiation between a progressive and a reactionary attitude to culture .
42 Further heated correspondence followed over a period of months , illustrating that strong views were held on both sides and that the time for agreement had not arrived .
43 This new venture aims over a period of three years to train up to ninety students not only as teachers of BSL but as BSL English interpreters .
44 The partnership was successfully liquidated over a period of years and it was left to John Baring to rebuild the business in the form of a limited company .
45 As we mentioned earlier , once a logogen reaches threshold , its activation level does not immediately return to its normal resting level ; it decays over a period of a second or so .
46 My colleagues and I in Wales Link were greatly looking forward to her visit , planned over a period of 18 months .
47 To avoid settlement problems at this location a surcharge embankment was constructed and monitored over a period of 8 months .
48 Aim to collect over a period of time a variety of texts covering different types of oral literature , the formal and the informal , fiction and truth , narrative and exhortation , and so on .
49 Anyone who deals with Ottoman institutions will know how perilous is the task of trying to define terms , since a number are possessed of multiple significations , often changing over a period of time , and the particular sense intended in any given case is not always clear from the context : will serve as one example , another , and , in the learned profession , which has the limited sense of a student at the Sahn and the wider sense of any student in " higher " education , that is , at a 20-akce medrese or above .
50 If the damage occurred over a period of time , there is no cover .
51 Subsidence can occur over a period of time without the knowledge of the Policyholder .
52 Does it have a short time span or does it last over a period of time ?
53 If the water coming out of taps ( mainly hot ones ) slows over a period of time , the problem is likely to be scale in the pipes — especially if you have a direct hot water system ( see page 48 ) .
54 The cases extend over a period of ten years .
55 The London County Council had found that it simply was not worth trying to recover the cost of milk from the 25% of London parents whose income was high enough to make them liable for the full billeting contribution , since ‘ the few pounds they had succeeded in recovering over a period of several months were far less than the cost of its collection ’ .
56 If the investigation is a sustained piece of work extending over a period of weeks , a diary work file or log book of activities should be maintained .
57 Also , short term memory decays over a period of time .
58 Her bilirubin concentration , which had begun to fall after stent removal , continued to improve and the steroids were slowly reduced to zero over a period of two months .
59 Income is usually defined in terms of the amount of money an individual can spend over a period while leaving his or her net wealth position unaltered .
60 And at times of new issues , they will often be committed to purchasing very large amounts of stock which they can only expect to sell over a period of weeks ; during which period they are exposed to the risk of capital loss if prices fall .
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