Example sentences of "is necessary [verb] some [noun] " in BNC.

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1 In all flow-visualization experiments it is necessary to give some thought as to what features of the flow are shown up .
2 This core does n't have to be very large , it could be a single Mob , but it is necessary to give some solidity to the army .
3 It is necessary to use some barley both for its natural enzymes and its husks , which form a filter in the mash tun .
4 Evidently , it is necessary to compile some sort of ’ collocation dictionary ’ by automatic means .
5 To apply the framework of attention focusing to the data from these studies it is necessary to make some assumptions about the information that is central and peripheral in the stimuli .
6 As with the Jelinek model ( $4.2 ) , it is necessary to impose some restriction on the length of the n-gram transitions that are used .
7 It is necessary to gain some understanding of the processes of accumulation before the significance of the small mammal faunas can be understood .
8 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 .
9 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 ’ .
10 Since leadership is concerned with influencing others , it is necessary to have some understanding about what motivates people to work .
11 Therefore , it is necessary to have some sort of measure to gauge the quality of the estimate .
12 But before expanding on this interpretation it is necessary to consider some evidence that is apparently directly contradictory .
13 It is necessary to provide some flexibility with relative inheritance : for example , specified fonts may be unavailable or too big/small to read .
14 Wiring up the fielder 's l.e.d.s is a bit fiddly because these have to be hard wired and it is necessary to provide some sort of anchorage at each of the indicator positions .
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