Example sentences of "but have [adv] to [be] " in BNC.

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1 The West German electorate lacks confidence in Chancellor Kohl and his team , but has yet to be convinced that the SPD , with whatever future coalition partner it chooses , will do much better .
2 The third woman of world class is Marie Laure de Lorenzi , who wins everything in Europe but has yet to be persuaded that America is worth a detour .
3 This lesson appears to have been accepted in principle ( Department of Trade and Industry , 1988 , 1989 ) but has yet to be implemented .
4 Members of the US Congress and environmentalists are concerned that the agreement , which has been signed but has yet to be ratified , will encourage US companies to transfer operations across the border to Mexico to take advantage of lax enforcement of labour and environmental standards .
5 This process is not only one that occurs in everyday life , but has also to be carried out by scientists in the laboratory , or by coroners in coroners ' courts ( Atkinson 1978 ) .
6 Age discrimination — which was not new but was worsening because of the current economic recession — existed in all EC countries , but had yet to be recognised as a problem , the report said .
7 Although there was evidence of cosmic order in the motions of sun , moon , and stars and in the cycle of the seasons , this order was not regarded as securely established but had continually to be achieved by the integration of conflicting divine wills or powers .
8 Suitable source rocks , the remaining essential ingredient for a petroleum prospect , are expected but have yet to be proved .
9 Some establishments may have applied for commendation but have yet to be assessed .
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