Example sentences of "have [adv] [been] use [prep] a " in BNC.
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1 | Previously analysed texts have already been used as a source of statistical information to enable parts of speech to be identified in a text on the basis of the likelihood of particular sequences ( for example , the word after the is nearly always a noun ) . |
2 | Colour and shape have always been used as a basis for sorting , but objects may have many properties , and can be sorted , for example , according to size , weight or texture . |
3 | Staff questionnaires have also been used to a limited extent in many schools , but only a third of teachers had made considerable use of this method . |
4 | In addition to fiscal measures , price controls have sometimes been used as a weapon . |
5 | Second , mortality rates have sometimes been used as a proxy for morbidity rates . |