I'm having trouble with identifying the word in parathesis in the sentence- The Puritans considered buttons a (sign) of vanity.I think buttons is the direct object and sign a predicate adjective.

Answer 1

You're right about "buttons" -- "sign" is called an object complement.

http://grammar.ccc.commnet.edu/grammar/objects.htm#complement

Answer 2

Can you explain why? I am horrible at english. You can contact me at 601-870-6672 Please someone help me understand this new english 12 stuff....