Example sentences of "years and has be " in BNC.

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1 The technique is best suited to hydrothermal systems older than 100 million years and has been proven for deposits as old as 1800 million years .
2 A leading member of WACC 's North American Regional Association , Dr Chain has also served on WACC 's Central Committee for several years and has been influential in ensuring greater participation by women in WACC 's activities .
3 It has been occurring for many years and has been embodied in legislation such as the Housing Acts of 1935 and 1957 , although numbers of sales have fluctuated considerably according to the political complexions of the government of the day .
4 Easthall Residents ' Association ( ERA ) has been in existence for 20 years and has been involved in numerous issues affecting the community .
5 He has been managing director of LASMO North Sea for the last four years and has been responsible for the group 's activities in the UK and Netherlands .
6 Self taught , Albert , who is a relative of George Barron , of BBC TV 's Beechgrove Garden fame , has been tending the gardens for 16 years and has been a consistent winner in the gardens competition over the years .
7 NORPLANT gives cover against getting pregnant for up to five years and has been used for the past decade abroad .
8 She has been working out in Sierra Leone for some years and has been taking children off the streets and teaching them the basics of domestic skills and education . ’
9 He has been involved with the organisation for 30 years and has been its regional head for a decade .
10 It has been known for its medicinal properties for 2,000 years and has been used by Russian cosmonauts since the 1970s .
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