Example sentences of "is [adj] if a [adj] [noun sg] " in BNC.

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1 of the tax is payable if a single person lives there .
2 It is helpful if an abbreviated notation ( which merely shows the broad subject category to which the document belongs ) can be readily derived from the full notation .
3 Indeed , such a power is essential if a total dissolution as between all the partners is to be avoided when it is necessary to get rid of an unsatisfactory partner .
4 Since slides are treated at a number of different temperatures in the protocols , it is convenient if a sufficient number of water baths and ovens can be maintained at these temperatures without the need for continuous readjustment .
5 The symptoms are moving in the opposite direction to suppression and this is necessary if a long-lasting cure is to be achieved .
6 The division of responsibilities between the two tiers means that some co-ordination is necessary if an effective service is to be provided .
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