Example sentences of "there [verb] been several attempts " in BNC.

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1 There 've been several attempts to get E Ten right since nineteen eighty .
2 There have been several attempts to explain the reasons for the strong seismic reflections from such zones .
3 Such models are necessary for the realisation of Wilson 's claim , and there have been several attempts at preliminary formulations by social scientists , archaeologists , population geneticists and from Wilson himself .
4 Since then , there have been several attempts to persuade Government to relax the statutory requirements but these have failed , largely because of opposition from the Inland Revenue and the Treasury .
5 How much of these the foundation will manage to recover is an open question , but at least the collection is now safe ( there have been several attempts in the past to remove its best paintings to other museums ) .
6 In recent year there have been several attempts to produce new kinds of keys .
7 There have been several attempts to build predictive models which describe the relationship between share prices and accounting variables , prominent among which has been the price — earnings ratio .
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