Example sentences of "has yet [vb pp] a " in BNC.

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1 No geneticist has yet isolated a Jewish gene or a British gene transmitting specific cultural attributes .
2 No instance has yet reached a reported court case .
3 None of these investments has yet made a decent return .
4 No manufacturer has yet made a compressor specifically for heat pumps , although one American company is studying the problem .
5 No-one has yet made a significant case for inclusion .
6 Glashow , for example , was reported to say that the Nobel committee took a ‘ bit of a chance ’ because ‘ nobody has yet built a machine that is capable to check ’ the new particles predicted ( international Herald Tribune , 16 October , 1979 ) .
7 Neither side has yet lost a Twickenham final , which adds a little bit of an edge to the occasion .
8 It also turns out that the ratio of proportions is rather cumbersome to handle when dealing with many variables at once , and no-one has yet proposed a way of decomposing it into component effects as they have with d s and with measures based on odds .
9 This is perfectly feasible by a system of fixed and moveable compartmentation , but no one has yet produced a practical system .
10 But that does not mean he has yet won a conclusive victory in the debilitating war between president and parliament .
11 None of the three leaders has yet signed a new , fourth document detailing interim arrangements for the period between a peace settlement and the holding of elections in one or two years ' time .
12 No one has yet hijacked a Trislander , but theoretically it could happen .
13 Although two other Murrays , the unrelated Deryck of Trinidad and David of Barbados , have kept wicket for the West Indies no one from Grenada has yet earned a Test place .
14 No unit or trust has yet got a job evaluation scheme for nurses up and running .
15 Hackman and Oldham admit that no piece of research has yet shown a positive relationship between high job satisfaction and high productivity .
16 To re-phrase Churchill on our democracy , the market economy is a very bad system — yes : Guinness , Maxwell , BCCI , Blue Arrow underline its frailties — but no one has yet found a better one .
17 It is going , perhaps , less strongly than it might if the techniques that the laboratory uses for dating pottery , wood and other materials — though no-one has yet found a method of dating metals — were not available .
18 It is not as though academic social science has yet found a language that can address these problems that is not contentious .
19 " I do n't pretend that medical science has yet found a method of treating cholera that 's quite satisfactory , I do n't say there is n't room for improvement , ladies and gentlemen … but what I do say is that it 's the duty of a member of the medical profession to use the best available treatment known and accepted by his fellow physicians !
20 Individuals act within markets unaware of the cumulative consequences of their individually rational responses to the information at their disposal ; and neither historical experience nor theoretical modelling has yet found a way of integrating those individually rational decisions through markets without creating cycles of boom and slump , unemployment and inflation .
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