Example sentences of "4 has [be] " in BNC.

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1 The important platelet mitogen , platelet-derived growth factor which is an α-granule constituent along with β-thromboglobulin and platelet factor 4 has been discussed earlier in this chapter .
2 This is not just of interest to professional politicians or academic specialists ; local government has become front-page news , its leading politicians such as Ken Livingstone , David Blunkett and Derek Hatton have been catapulted to national fame and the local-central government conflict detailed in Chapter 4 has been a major issue in three successive general elections .
3 The conflict between central and local government referred to in Chapter 4 has been clouded by both inter- and intra-party disputes .
4 Channel 4 has been a constant provocation with its film seasons , Gordon in ‘ Brookside ’ , and ‘ Out On Tuesday ’ , a whole series devoted to showing the world what respectable and cultured citizens we are .
5 Objective 1 of Part 4 has been completed and it is clear who ‘ owns ’ the problem .
6 A more significant change has been the separation of sales of ITV1 and Channel 4 : Channel 4 has been responsible for its own sales from January 1993 , and this has introduced the first genuinely competitive element into national commercial TV .
7 Note the way in which the pianistic idiom in bars 3 and 4 has been translated into its orchestral equivalent , and the use of the bassoons in bars 7 and 8 which prevents the otherwise somewhat tenuous texture from falling to pieces .
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