Example sentences of "[modal v] be [vb pp] for long " in BNC.

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1 After the establishment of the intestinal biopsy technique for the diagnosis of coeliac disease , it became apparent that a wheat free diet should be maintained for long periods before an adequate response occurred , as Dicke had predicted .
2 A chemical sprout inhibitor should be used for long term storage .
3 He described the region as one of the few remaining pristine areas of the world , which must be retained for long term investigation .
4 As the products of such events could be stored for long periods in the thick sub-cratonic lithospheric keel , there is ample scope for ancient relict-enriched mantle to be involved in younger igneous events .
5 As time passed she could be halted for longer and longer intervals , and eventually she forgot her rearing habit altogether .
6 Alert 's flying tour of Britain brought home to us that the new GRP planing hulls could be used for long range patrols when required and that they were not just " hot rods " for use in sheltered waters .
7 But what is more troubling than the initial rigid fixed term is the fact that warrants may be renewed for longer periods still .
8 A small amount of the resultant PCR product may be saved for long term storage .
9 These are techniques that may be used for longer term forecasting , perhaps for periods of two or more years ahead .
10 The only access to the village would be blocked for long periods .
11 If a search for money and/or an avoidance of stress are two indicators of strong arousals from this goal category , then it is clear that some people can be motivated for long periods of time either by stress avoidance or by accumulating more and more money .
12 It is indeed true that balance of payments deficits can be sustained for longer than they could a generation ago ; we would have never got this far without a much worse sterling crisis if that were not the case .
13 Those cocultured on a mesenchyme fibroblastic feeder layer , however , proliferate more readily , and can be maintained for longer intervals in vitro .
14 Unlike conventional spring-loaded shears , which are heavy to use , and which work through a linkage which becomes worn with use , the Master and Multi Shears are lightweight , and can be operated for long periods without hand strain , even by people with limited hand strength .
15 Transparencies can be studied for longer periods than drawings on the board , and no time is consumed by drawing during the lesson .
16 As time goes on , if the horse stance is repeated daily , you will discover that the position can be held for longer and longer as your legs become stronger .
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