Identify the type of subordinate clause in the following sentence. the guy who ran out of the clinic is running late.

The subordinate clause above is an adjective clause.

Explanation:

"Who ran out of the clinic" is an essential relative clause, also called adjective or adjectival clause. This type of clause acts just as adjectives in the sense that they modify nouns. In this case, the subordinate clause is modifying the noun head "guy". It is an essential relative clause because its content is considered necessary to complete the meaning of the sentence. If it was removed, the meaning would be different (see 1). The clause helps identify the guy referred to.

1) The guy is running late

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