Example sentences of "[been] known [prep] [adj] [noun pl] " in BNC.
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| 1 | Formerly known as managing clerks , this body of employees has been known as legal executives since 1963 when the Institute of Legal Executives was established . |
| 2 | Although they have been known for many years their evolutionary position is still hotly debated . |
| 3 | Variants of this reaction have been known for many years . |
| 4 | Variants of this reaction have been known for many years . |
| 5 | FLARES on the Sun have been known for many years to produce powerful bursts of X-rays , gamma-rays and charged particles . |
| 6 | It has been known for many years that damage to the left hemisphere is more likely to affect language ability than damage to the right , suggesting that the left hemisphere is very important for language . |
| 7 | 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 ’ . |
| 8 | 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 . |
| 9 | 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 . |
| 10 | 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 . |
| 11 | Although the general distribution of earthquakes around the world had been known for many years , it was only with the establishment of a comprehensive network of seismographic stations to monitor underground nuclear weapons testing in the early 1960s that a detailed global picture emerged ( Fig. 2.10 ) . |
| 12 | But we know very little about the animals which bore these scales and although a few articulated remains have been known for several years , they show very little anatomical detail and it is not easy to identify immediate relatives . |
| 13 | It has been known for some years now that records of the electricity activity of the brain during sleep — by electrodes attached to the scalp , face and neck — confirm that different types of sleep exist . |
| 14 | Difficulties with the present ‘ grey gate ’ system , in which the starter pulls a lever to raise a 65 yard-long elastic tape , have been known for some years . |
| 15 | The problems of the system under which the starter operates a lever had been known for some years , but the Jockey Club and the course executive failed to replace it , the report added . |
| 16 | Difficulties with the present ‘ grey gate ’ system , in which the starter pulls a lever to raise a 65 yard-long elastic tape , have been known for some years . |
| 17 | In 1947 when Frank had his insight the existence of muons had already been known for ten years and the existence of muonic atoms had also been predicted . |
| 18 | The existence of the tape , had been known for two-and-a-half years , as copies were sent anonymously to newspapers . |
| 19 | The site has been known to many antiquaries from the eighteenth century onwards ; Gordon recorded that the circuit of the walls was still conspicuous , a description which conflicts with the almost contemporary report of that other noted antiquarian of Hadrian 's Wall , John Horsley , who wrote that the Roman site was almost entirely levelled and under the plough . |
| 20 | Indeed , lady 's slipper , skullcap , valerian and other herbs have long been known by Western herbalists to have such calming effects . |
| 21 | Projectile weapons had been known from Roman times , but much of the technology was redeveloped during the crusades . |
| 22 | Sir , as has been known in other cases before you , there have been many |
| 23 | Luminescence has been known in geological materials since 1604 , when the alchemist Cascierolo described light emission from barite . |