Example sentences of "needs to be [vb pp] on [adj] " in BNC.

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1 For this to be effective each transmitter-receiver system needs to be based on varied signals or there is great confusion and you become unable to tell which ferret is where .
2 Deciding which measures to implement needs to be based on detailed knowledge of the emissions which power stations , traffic , homes and industry contribute to each pollutant .
3 You need to , it needs to be based on initial one because that 's
4 It will be clear that on any particular occasion of meaning negotiation the more familiar the schematic content or mode of communication , the less reliance needs to be placed on systemic knowledge , and vice versa .
5 More attention needs to be focused on other records or information resources that document our culture and on a range of other institutions that produce them .
6 The exercise of personal initiative also needs to be encouraged on other fronts , and this is the issue that is now considered .
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