Example sentences of "have been [verb] on this [noun sg] " in BNC.
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1 | Some definitions of style have been based on this assumption . |
2 | Yet whole socio-cultural theories , of a kind , have been built on this kind of argument . |
3 | We think that such a duty is imposed by law ; and on consideration of the Statute of Elizabeth , l and of the cases which have been decided on this subject , we are all of the opinion that a party can not maintain an action for compensation for loss of time in attending a trial as a witness . |
4 | Complete books have been written on this subject which will give much more information about when a condition is likely to be serious or not . |
5 | Complete books have been written on this subject which will give much more information about when a condition is likely to be serious or not . |
6 | Volumes have been written on this subject but I will offer a succinct aim that sums up , for me , the essence of good practice : |
7 | Doubts have been cast on this interpretation , but insufficient evidence is available to reassess it in terms of the more typical two-phase sequence . |
8 | These conclusions have been challenged on this appeal . |
9 | ‘ We have been working on this project for 14 months , and it 's been difficult to persuade people that we have no political objectives . |
10 | I have been working on this book about the Prince of Palatine for over 25 years ; I 'll never finish it , but who cares , it 's interesting , especially since I can read seventeenth-century German which very few people can . ’ |