Example sentences of "it 's necessary [to-vb] [adj] [noun] " in BNC.

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1 Since few living rooms have a naturally humid atmosphere , unless you happen to have a humidifier installed for your own comfort , it 's necessary to create localised humidity for those plants that need plenty of moisture in the air .
2 I still do n't feel it 's necessary to wear scruffy clothes to be an actor .
3 Now , I 've put this in a as youth , because I do think there are quite a , a large number of young people in this , and erm , as , as broadly across the spectrum er , as , as we can , as we can give it , erm they 're expecting to pay three hundred and ninety five pound of hire charges for the institute and on top of this it 's necessary to hire extra lighting , as the existing sy system is unsuitable for the theatrical use .
4 This is a city without a lot of parks in its centre only the Castle and er not a lot of trees not mature trees so er er I need to know that it 's necessary to move these trees .
5 Having said that , we 're not seeking an higher allocation under I five either er because in general terms , we we do n't feel it 's necessary to make further provision in and around main settlements .
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