Example sentences of "[noun pl] [verb] been [vb pp] [verb] this " in BNC.

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1 This year marked the tenth anniversary of THE FACE , but whereas parties have been thrown to commemorate this occasion , nobody has bothered to hold a ‘ do ’ for the tenth anniversary of the training shoe .
2 Several methods have been used to detect this response , including agglutination , complement fixation , and enzyme linked immunosorbent assay ( ELISA ) .
3 A number of methods have been proposed to achieve this aim , including the Viterbi algorithm ( Viterbi , 1967 ; Neuhoff , 1975 ; Shinghal and Toussaint , 1979a ) , probabilistic relaxation ( Goshtasby and Ehrich , 1988 ) , and the Recursive Bayes algorithm ( Raviv , 1967 ; Shinghal , Rosenberg and Toussaint , 1978 ) .
4 The Haar Sana range of treatments has been developed to deal this and other scalp problems .
5 Already a pair of earrings worth up to four thousand pounds has been donated to launch this summer 's major television fundraising campaign — the third ITV Telethon .
6 Only 30 per cent of the usual resources had been used to achieve this , and the entire harvest had been sold , he said .
7 But , as Roger Lawson of Southampton University has pointed out , more efforts have been made to counter this localism by the Money Advice Association ( founded in 1984 ) and the National Association of Citizens Advice Bureaux .
8 A range of techniques has been used to avoid this problem , including chromatographic cellulose fibre powder to remove PCR inhibitors from the samples .
9 Several spectroscopic techniques have been used to examine this effect for CO adsorption on single-crystal metal surfaces , but bond energy changes can only be inferred indirectly from these techniques .
10 Both pore-saturating brines and conducting films of carbon at grain boundaries have been proposed to explain this , but the evidence remains inconclusive .
11 And whatever you finally decide to do with it , bear in mind that great sacrifices have been made to bring this to you .
12 Tests have been devised to assess this characteristic in individuals .
13 Recently , a number of initiatives have been launched to counteract this situation .
14 Latterly , various schemes have been proposed to avoid this additional layer of stamp duty or SDRT involved in a cash underpinning .
15 What different approaches have been developed to teach this important skill ?
16 A number of approaches have been used to achieve this definition .
17 Attempts have been made to explain this grading , which is not characteristic of the majority of British spits .
18 Since 1973 various proposals have been made to achieve this objective , which was finally accomplished by the adoption of the Merger Regulation .
19 Therefore , the biological activity of HPV DNA in cells has been studied to investigate this issue .
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