Example sentences of "known [prep] be able " in BNC.

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1 ‘ Actually , ’ Doone said calmly , ‘ he is known to be able to drive his father 's jeep on the Downs expertly , and my men have discovered he was out of school last Wednesday afternoon on a field trip to Windsor Safari Park .
2 Some researchers working on the removal and examination of fertilized cells have been able to reject those which were clearly mongoloid , only replacing those known to be able to produce normal infants .
3 River insects develop wings in the last stage of their life cycle , and dragonflies are known to be able to fly many miles .
4 In most species of birds , a male reared apart from other singing males will not develop a proper song at all ; this is not true of simple bird sounds , such as the cock crow , but no ‘ song birds ’ are known to be able to develop their elaborate songs in isolation .
5 Given an allowable candidate word which is known to be able to start a compound or commonly used phrase , if the next part of the compound occurs in the list of alternatives for the next word position ( and so on until the end of the compound ) , then it is likely that the alternatives that make the compound are the correct choices .
6 It should also be noted that at the beginning of an assignment , the composition of both vendor and purchaser must be known to be able to consider taking advantage of this exclusion .
7 M paratuberculosis is a slow growing intestinal pathogen , known to be able to cause chronic enteritis in a wide variety of animal species including cattle , goats , sheep , deer , horses and pigs , rabbits , and primates .
8 Some frugivorous birds that have been tested ( four species of tanager , which crush fruit ) are known to be able to detect differences in sugar contents of 8,10 and 12% in their diets and prefer the sweetest , though it must be pointed out that others like manikins , which swallow fruits whole , are less sensitive to sugar content .
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