Example sentences of "but it is not [vb pp] " in BNC.

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31 Amongst the items salvaged were a complete Merlin engine , propellers , guns and instruments and the Deputy Keeper of the RAF Museum , Jack Bruce , flew out to Berlin to inspect the items , but it is not known if any of the items were suitable for use .
32 But it is not known .
33 But it is not known whether TCR- β gene rearrangement or expression is required for such a transition , and no information is yet available on a role for TCR- α gene rearrangement or expression .
34 Perforated discs ( bi ) ( fig. 14 ) and the afore-mentioned zong came to designate heaven and earth , but it is not known whether this was their original meaning .
35 North American Indians , Polynesian and Micronesian Pacific islanders , Australian Aborigines , and Asian Indians are usually considered in these terms , but it is not known whether all human populations previously subject to severe ‘ feast and famine ’ conditions have a thrifty genotype .
36 The differential fee for night visits is intended to discourage general practitioners from using deputising services , but it is not known whether it has had this effect .
37 But it is not known how these skills relate to levels of proficiency or to the process of acquisition .
38 Oxyradical dependent photoemission of granulocytes stimulated by platelet activating factor has been detected in vivo in rat mesenteric microvascular beds , but it is not known if these reactive oxygen species are generated in vivo in the colonic mucosa because phagocytes may be activated during isolation procedures used in in vitro studies .
39 Our solutions containing rice derived glucose polymer promoted the highest water obsorption in the secretory state but it is not known whether increasing the polymer concentration ( but maintaining ORS hypotonicity ) would enhance water absorption by further stimulating active glucose transport or whether water absorption would be jeopardised , even by a moderate increase in osmolality .
40 Section 2(1) ( c ) applies to the evasion of future debts , but it is not restricted to such debts .
41 Ratio and proportion are difficult concepts and therefore a limited number of questions was used , but it is not suggested that these represent the only possible ones for lower attainers .
42 But it is not shown how God did it .
43 There could be a causal link between demanding social justice and realism as a method , but it is not shown .
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