At

Adposition

  its

Pronoun

  center

Noun

  was

Auxiliary

  Henry

Proper noun

  Clay

Proper noun

  Square

Proper noun

,  a

Determiner

  large

Adjective

  area

Noun

  reserved

Verb

  for

Adposition

  public

Adjective

  buildings

Noun

.

At its center was Henry Clay Square, a large area reserved for public buildings.

At its center was Henry Clay Square, a large area reserved for public buildings.