" The underlined so -clause is certainly a modifier of "my face", and "it" refers back to the antecedent "my face" if that's what you mean. saw my face so swollen that it frightened me. You can also argue that "it" refers to the act of seeing his own face.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
park sang joonI think as there is a subject in "so" clause, the underline clause is an adjective clause modifying "my face."The underlined so-clause is certainly a modifier of "my face", and "it" refers back to the antecedent "my face" if that's what you mean.
park sang joonI think "so swollen, red, and ugly" is an adjectival phrase ...Yes, it is.
park sang joonthere isn't "it is"; a subject + a verb.True. You can do it that way with a linking verb (was): My face was swollen, red, and ugly. / My face was so swollen, red, and ugly that ..., but that's not how it