Example sentences of "it to be necessary " in BNC.

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1 That control will include switching off heat and lights in unoccupied rooms , regulating heating systems to precise comfort control levels and running air conditioning only when the air sensors show it to be necessary .
2 If the relatives are able to go to the mortuary or viewing room and be with the person who has died for as long as they feel it to be necessary , then they are more able to start absorbing the fact of their loved one 's death , because again they have the evidence in front of them .
3 Mr. Wadsworth considered this matter in the present case , and he was of the view that the criticism being made in the notice with regard to the Order 29 point of the County Court Rules was sufficient for it to be necessary for him to bring these proceedings by way of appeal before this court .
4 What 's more , if I deem it to be necessary I shall call upon the Duke of Marlborough to give evidence on our behalf . ’
5 Though the members of this genus are in many respects typical ascaridoids , their biology is sufficiently varied for it to be necessary to consider each species separately .
6 ‘ The few who decide to stay on board can still attend normal surgeries if they feel it to be necessary , and the likelihood of a real emergency developing in the meantime is pretty remote .
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