Example sentences of "they be shown to be " in BNC.

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1 But this , it is claimed , may make them more vulnerable than most to negative emotions when they are shown to be powerless .
2 True-kin do not necessarily love one another , but it is always presumed that they are friends until they are shown to be enemies .
3 By contrast , non-kin and affines are presumed to be enemies until they are shown to be friends !
4 Whilst showing proper reluctance to enforce these convenants , the courts will , however , do so if they are shown to be reasonable …
5 Other clauses are subject to a test of reasonableness , and are enforceable only to the extent that they are shown to be reasonable .
6 Very soon after Prontosil and sulphanilamide became available they were shown to be active against malaria .
7 Knowledge that plasmodia were vulnerable to sulphonamides was useful , particularly when they were shown to be protected , like bacteria , by p -aminobenzoic acid .
8 They were hailed in the media as breakthroughs — and then they were shown to be wrong either by their own authors or by others .
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