Example sentences of "be essential [subord] a [noun] " in BNC.
Next page| No | Sentence |
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| 1 | Database and computing activities Effective methods for the storage and retrieval of information are essential when a variety of large datasets is to be handled , and the maintenance and extension of such systems has continued . |
| 2 | It is essential once a feed has been dropped that it should not be reinstated in a moment of weakness . |
| 3 | This aspect of assessment is essential because a person 's verbal consciousness is critical for making sense of the world . |
| 4 | LITTLE is known of the interdecadal variability in the thermohaline circulation of the world 's oceans , yet such knowledge is essential as a background to studies of the effects of natural and anthropogenic climate change . |
| 5 | Service of a notice under s 146(1) for breach of covenant other than for non-payment of rent is essential if a right of re-entry or forfeiture for breach of such covenant is sought to be enforced . |