Example sentences of "have been [vb pp] [conj] this [vb mod] " in BNC.

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1 In other tropical areas such as East Africa , no significant degree of hypobiosis has been observed and this may be due to more frequent rainfall in these areas making such an evolutionary development unnecessary .
2 Subsidence Claims Advice leaflet ( PC17 ) should be issued to policyholders in every case where a subsidence claim has been intimated as this will forewarn the insured of the procedures and timescales likely to be involved .
3 Increased oesophageal alkaline exposure has been previously demonstrated in patients with Barrett 's columnar lined lower oesophagus and it has been suggested that this might be secondary to increased duodenogastric reflux using discriminant analysis in a small number of patients .
4 It has been suggested that this can happen with some food additives , particularly preservatives and synthetic colours .
5 If A had an honest doubt whether there was a contract at all between B and C it has been held that this would provide a good defence but if the doubt is whether A 's rights or C's under two inconsistent agreements should prevail and A chooses to adopt a course which on one view of the law will undoubtedly interfere with C 's rights , it has been said that he must at least show that he was advised and honestly believed that he was entitled to take that course .
6 Film is something that has been edited and this should always be borne in mind when using it .
7 Manufacturing accounts for a relatively small proportion of employment in rural areas , and in the more remote regions it has been estimated that this can be as low as 10–20 per cent ( Gilg 1976 ) .
8 In the case of the Earth it has been estimated that this could lead to an underabundance of xenon in the atmosphere of a factor of 10 or more .
9 It has been estimated that this could reduce consumption by 20 to 30 per cent .
10 This may be dealt with in some way in the contract in that a certain notice period may have been specified and this may have been adhered to by the parties .
11 The projected deficit of IS9,000 million , to be made up through bond issues and foreign loans , represented a significant breach of the maximum level recommended by the Bank of Israel of 5.5 per cent of gross national product , and fears had been expressed that this could increase inflation .
12 Doctors were unable to treat them unless and until their parents had been traced and this could cause unnecessary suffering .
13 Coun Skinner said : ‘ We thought everything had been resolved but this could mean we have to discuss the speed restrictions again . ’
14 I have been told that this might happen .
15 It 's been estimated that this might be of the order of one cubic kilometre per year .
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