Example sentences of "these have [vb pp] a [noun] " in BNC.

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1 Some of these have developed a taste for human flesh , perhaps as a result of feeding on bodies washed down by the Ganges during the ever more frequent floods .
2 Many of these have involved a comparison of rates of return on equity in owner- and management-controlled companies .
3 Subsequent attempts to diversify the economy have foundered not only on corruption and inefficiency , though these have played a part , but because Zambia could not mobilize the funds for new investment , since the growing debt burden took a larger and larger share of the national cake .
4 These have contained a mixture of languages and music , and have often employed an interpreter .
5 I nearly said as pencil skirts , but these have had a revival recently .
6 The main prey of predatory birds are the hundreds of different rodent species and the vast majority of these have evolved a protection system based on a quick scamper down a tunnel .
7 These have produced a conflict between state and parents ' interests , whilst failing to advance the independent rights of children .
8 These have proved a boon to many occasional users of complex applications , and by making different applications function in similar ways can considerably reduce re-training time .
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