Example sentences of "[noun sg] they must be [adj] " in BNC.

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1 If they take any other course of action they must be prepared to defend it .
2 If it is to be of maximum benefit they must be able to perform monitoring correctly , interpret the results and use the information to modify diet or insulin dose as appropriate .
3 If socialists aim at the formation of a government as a part of their strategy they must be ready to make their views known on these issues : how to reduce unemployment ? how to avoid inflation ? where the money would come from to provide better social services ?
4 If they hoped that freedom would automatically bring intellectual variety and competition they must be disappointed with the press and pessimistic about the effects of deregulation on broadcasting , however .
5 For such methods to gain widespread acceptability they must be comparable to the Parsonnet system in ease of implementation .
6 where branches are silouetted against the colours of the sunset they must be rich and strong enough to help intensify the sense of the light coming through then , but not so rich that they seem to close , or start to compete with the same thing happening in the ripples that form their reflection .
7 Is it true , as Marx sometimes seems to say , that in order for a group of people to constitute a class they must be conscious of their shared identity , or can they form a class on the basis of other criteria ?
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