Example sentences of "[not/n't] clear be " in BNC.
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1 | But what is not clear is why such an excess of water-living invertebrates — if this is the explanation — does not support a larger population of fish ( and water birds such as Dippers and Grey Wagtails ) in the first place . |
2 | Also not clear is whether any of the mothers received steroids to accelerate fetal maturity before delivery . |
3 | What is not clear is the direction of any bias that might have occurred . |
4 | What is not clear is the age at which full penetrance occurs . |
5 | What was not clear was the manner or the extent of their involvement . |
6 | What still is n't clear is why the whales have recently started making use of this resource . |