Example sentences of "[pron] is estimate [that] [prep] [noun] " in BNC.

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1 In the UK where a comparatively large amount of research has been carried out into wave power it is estimated that with wave generators along the 1,450 kilometre coastline , 50% of the UK 's electricity requirements could be supplied .
2 It is estimated that for women to give up work to look after disabled relatives cost earnings of 8,500 if they had no children and about 7,000 if they had .
3 One in four products from the chemist will contain chemical compounds derived from rainforest plants , and it is estimated that to date only one per cent of rainforest plants have been screened for medical use .
4 In Britain alone it is estimated that in excess of 150,000 people die every year from heart attacks and strokes .
5 It is estimated that in south-east Asia , some third or two-thirds of the residual trees are damaged irreparably while up to a third of the area is left as bare ground , often compacted by the forestry machinery .
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