Example sentences of "[noun sg] be [vb pp] over a period " in BNC.

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1 The best effect is achieved over a period of years , but at worst you really ca n't come to much harm .
2 This case study was undertaken over a period of two months through a series of day visits to the school .
3 Police believe the tape was made over a period of time .
4 According to Barclays Computer Operations , Barclay 's services arm which manages the data centres , the old kit was installed over a period of one to four years .
5 Such mixture of affective psychosis and schizophrenia may be revealed in changes in the symptom profile that are observed when the person is studied over a period of time , or it may be evident within a single episode of illness .
6 This name was changed over a period of time to the name we know today , Rottweil .
7 A project to research the method was undertaken over a period of approximately one year on a part-time basis ; at various stages a number of different practitioners from management services disciplines were involved , each receiving some informal training on the principles and practice of soft systems analysis .
8 If this loyalty is stretched over a period of 28 years , it is certainly worthy of note !
9 In the Hall study accidents at 177 signalized crossroads were analysed over a period of four years , over this period accidents involving a vehicle turning right outnumbered those to vehicles turning left by a ratio of 6.6:1 ( accidents involving one vehicle turning in each direction were excluded from the analysis ) .
10 By far the most effective arrangements presently available are those which : ( 1 ) provide for the continuing partners to have the option to acquire the share in the firm of an outgoing partner ( which overcomes the tax problems noted in Chapter 10 and offers some desirable freedom of manoeuvre to the continuing partners without ordinarily causing any disadvantage to the outgoing partner ) ; ( 2 ) finance the purchase of the share of a partner who dies before retirement by way of insurance effected on the lives of each of the partners the proceeds of which are declared to be held on trust for the partners for the time being ; ( 3 ) finance by endowment insurance the purchase of the shares of partners whose retirement can be predicted ; ( 4 ) ensure that in any case which is not or can not be sufficiently covered by available insurance ( eg payments to a partner who is expelled or who otherwise leaves the firm before normal retirement date ) payment of any capital sum is spread over a period so to reduce the burden on the continuing partners without imposing any great hardship on the outgoing partner or his estate ; and ( 5 ) impose on each partner an obligation ( Clause 14.02 ) to take out adequate ( as discussed with all the partners from time to time ) retirement provision for the benefit of himself and his familyso as not to impose any burden in that respect on the firm , which in former times would have accepted responsibility .
11 Travel agents and tour operators often make back to back reservations which means that certain accommodation is booked over a period of time and as one group of guests depart another group takes their place .
12 The system was developed over a period of about 10 years and arrived on the market in three stages .
13 The same chart was used over a period of 4 weeks .
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