Example sentences of "[conj] [am/are] [adv] an " in BNC.

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1 Full transparent face shields or visors may be specified as an alternative and are sometimes an integral part of a safety helmet .
2 They performed again at our 30th Reunion , and are now an anticipated attraction at our own big public events .
3 They police waterways , clean coastlines , help ships in trouble , and are basically an integral part of international co-operation and patrol .
4 Quite the contrary , it assumes that the nature of criminal definitions and their application are factors that influence people 's decisions whether to comply with them or not , and are therefore an issue for correctionalism .
5 Condoms have been used for years to prevent unwanted pregnancy but are also an effective barrier against sexually transmitted diseases including HIV .
6 The pearlescents have an historical precedence in Japanese prints , where ground up mother of pearl was used to catch the light but are otherwise an entirely novel kind of colour that invites experiment and stimulates the imagination .
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