Example sentences of "[noun] have been [vb pp] for many " in BNC.

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1 Our eyes have been closed for many centuries , yet the sages and physicians of the East have never lost sight of the reality of the WHOLE .
2 FLARES on the Sun have been known for many years to produce powerful bursts of X-rays , gamma-rays and charged particles .
3 Certain immigrant communities have been documented for many years as having higher mental hospital admission rates .
4 These are a historical survival and no new irredeemable stocks have been issued for many years .
5 Dogs have been kept for many different purposes since they were first domesticated from wolves about 12,000 years ago .
6 Dogs have been bred for many different tasks , from the massive guard dogs and fighting dogs right down to the little toy dogs and lap-dogs .
7 Variants of this reaction have been known for many years .
8 Variants of this reaction have been known for many years .
9 Values for van der Waals constants have been determined for many gases ( see table 3.3 ) .
10 Is the Minister aware that the proposals for the expansion and development of the Dalzell works have been pursued for many years more consistently and vigorously by the Labour party than by any other party ?
11 But the conditions in Greek state psychiatric hospitals have been exposed for many years .
12 Rift systems have been studied for many decades but have received renewed attention since the early 1970s because of their association with crustal upwarps and their role in continental rupture .
13 Interventions by schools to reduce smoking have been undertaken for many decades , although little attention has been given to assessing their effectiveness .
14 In a secular society these practices have been weakened for many , leaving us bewildered about how to handle our grief .
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