Read the sentence. i know someone who is in the circus. which is the adjective clause in the sentence? in the circus who is in the circus know someone who is

The adjetive clause in this sentence is "who is in the circus" since it makes direct reference to the person of whom the main sentence speaks, that is, it gives a description of a quality of the person.

Adjectival clauses replace or substitute adjectives. In most cases, these clauses connect nouns with adjectives through a relative pronoun (in this case it is "who").

where is the section with the question?