Example sentences of "has be [vb pp] for [art] long " in BNC.

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1 This is especially valuable where a job has been done for a long time by the same person .
2 This very high degree of risk has been maintained for a long time as many studies over the past thirty years have shown .
3 This has been recognized for a long time .
4 This has been realized for a long time , and it is on record that John Dalton analysed the water supply for the firm of Sykes & Co. at Stockport and declared it suitable for the purpose .
5 which again has been used for a long time on animals .
6 The toxic nature of some animals has been known for a long time and man has utilised their venoms and poisons for various purposes .
7 The effect of early experience on the mating preferences of birds and mammals has been known for a long time .
8 It has been known for a long time , and has led to the more modern practice called ‘ foliar feeding ’ , in which the purpose is not so much to correct deficiencies , but to encourage a boost in performance , yield and so on by spraying major element solutions on to the leaves in the same way .
9 It has been known for a long time that , partly due to their immense size , elephants can hear much lower sounds than we can .
10 The value of printing a linear document from a database has been appreciated for a long time .
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