Example sentences of "has [to-vb] [prep] a number " in BNC.

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1 If a report has to go through a number of drafts , it is an excellent way of enabling changes to be made quickly and without extensive retyping .
2 Our perception of the pub has to work at a number of levels — mostly obvious , but nonetheless worth clarifying .
3 And in order to achieve this end , the spirit has to dwell within a number of different entities .
4 In setting out to achieve such aims , an advertiser usually has to abide by a number of laws and codes of practice .
5 The teacher always has to operate within a number of constraints such as agreed syllabuses , governors ' wishes , heads of department , parental pressures , and so on , which mean that he or she is the only person who is competent to decide on content and method .
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