The

Determiner

  presence

Noun

  of

Adposition

  Gilded

Adjective

  Age

Proper noun

  estates

Noun

  is

Auxiliary

  a

Determiner

  large

Adjective

  component

Noun

  of

Adposition

 Oakdale's  past

Noun

.

The presence of Gilded Age estates is a large component of Oakdale's past.

The presence of Gilded Age estates is a large component of Oakdale's past.