Example sentences of "[noun sg] [be] [adj] to [be] effective " in BNC.

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1 If a rapid haemodynamically unstable ventricular arrhythmia is induced , or the clinical arrhythmia is induced more easily , then amiodarone therapy is unlikely to be effective and an ICD should be inserted .
2 Withdrawal was likely to be effective — or , at any rate , more likely than in the past — because the totalitarian world had begun to break up and there were new possibilities for France to explore outside the West .
3 And such talents , it should be emphasized , are necessary not just for campaigning , but also for governing ; presidents unable to master television are unlikely to be effective in office .
4 All these can act against only the aquatic stages , that is to say they are ‘ larvicides ’ and , as I have already emphasised , malaria control by such an attack is likely to be effective only in limited situations .
5 Finally , Vygotsky 's description of the ‘ zone of proximal development ’ provides a clear indication of the way in which environmental support is likely to be effective .
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