Example sentences of "[vb pp] [prep] many years that " in BNC.

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1 We have argued for many years that the present discrimination on the grounds of sex and state pensions and retirement age is unjustifiable .
2 Actually , scientists thought for many years that whales had no sense of hearing because they had no external ear lobes like ourselves , a clear example of anthropomorphic projection .
3 Social perceptions of what is or is not obscene or indecent may change but the legislation may remain to trap the unwary in a much more liberal climate ; and just because the legislation has not been used in many years that does not mean it will not be applied again .
4 For example , it is still commonplace in cartoons to show cavemen and dinosaurs together , despite the fact that it has been known for many years that dinosaurs were extinct long before the evolution of ‘ cavemen ’ .
5 It has been known for many years that rich clusters contain a lot of gas and dark matter , but Ponman and Bertram 's result shows that these features apply more generally .
6 It has been known for many years that neurons , like other cells , can be maintained alive and well under such conditions for periods of many days or even weeks , provided they are kept warm , aerated and well fed with glucose and other essential molecules .
7 It has been known for many years that recycling used materials helps make great savings , but it was not until recently that it was realised how much good that it could do for the environment .
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