Example sentences of "they [be] [adj] for a [adj] " in BNC.

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1 They are essential for a healthy nervous system and they give protection against infection , aid in energy production and promote growth .
2 Mirth , tranquillity and enthusiasm are not directly part of the transcendent world , yet they are essential to it , just as they are essential for a successful and happy life .
3 These do not always yield the most interesting insights into feminism and film , but they are indispensable for a full understanding of the factors at play , material and cultural .
4 Because the Delta design incorporates leading edge spars which are not fixed to the spine , and can therefore flex , they are self-adjusting for a broad variance in wind speeds .
5 Many of these enterprises are controlled by external corporations or by a landed élite that comprises only a small proportion of the population , and while they are responsible for a great deal of environmental degradation they provide little benefit to the majority of the indigenous people .
6 Huddled together on the muddy earth floor they were content for a long time to embrace one another without speaking .
7 But he insisted that they were due for a cold meal yesterday .
8 Last week , they were responsible for A Wanted Man ( BBC 2 ) , a powerful trilogy of plays by Malcom McKay about the police interrogation , trial and attempted rehabiliation of a murderer .
9 They were silent for a long time .
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