Example sentences of "be useful when [verb] [verb] " in BNC.

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1 These findings show the importance of phospholipid species in biliary pathophysiology and may be useful when trying to manipulate cholesterol carriers and solubility in bile .
2 Chat shows : These programmes can be useful when trying to build up a personality .
3 It is useful when brushing to lay them flat on the floor and to use a deck scrubber .
4 Blending is useful when trying to obtain a smooth finish .
5 ‘ Ah told ye it was useful when travelling to enter antiquarian as one 's occupation . ’
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