Example sentences of "is necessary have [adj] [noun] " in BNC.
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| 1 | C. For a country such as Britain , which has most of its people living in towns and working in industry and trade , it is necessary to have good communications ( roads , railways , air transport , ports , post and telephones ) . |
| 2 | To become a successful barrister , therefore , it is necessary to have financial support and so the background has to be that of the reasonably well-to-do family which , as a matter of course , sends its sons or daughters to public schools and then to Oxford or Cambridge . |
| 3 | If the ‘ list-system ’ is to produce a proportionate result , it is necessary to have multi-member constituencies . |
| 4 | Often it is necessary to have some storage of clean water for backwashing , and this is conveniently done by having an elevated tank for the storage of filtered water , the head of water giving sufficient pressure for backwashing . |
| 5 | However , before we can start to examine the significance of services in the economy , it is necessary to have some idea of what is meant by the term ‘ services ’ . |
| 6 | Since leadership is concerned with influencing others , it is necessary to have some understanding about what motivates people to work . |
| 7 | Therefore , it is necessary to have some sort of measure to gauge the quality of the estimate . |