Happy student The' before an adjective makes it a collective noun No; it just makes it a noun (of a pronomial sort)—but it only works within accepted limits: mostly adjectives that describe groups of people, nationalities, and abstract nouns.
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Happy studentThe' before an adjective makes it a collective nounNo; it just makes it a noun (of a pronomial sort)—but it only works within accepted limits: mostly adjectives that describe groups of people, nationalities, and abstract nouns.
Happy studentSo, were my sentences correct?'The infected' is stretching the concept, but otherwise they are fine.