The predicate part of the clause.
A "verb, adverb,
noun" statement in the indicative
mood, normaly used activily with the unknown subject part of the clause. The tense is unkown.
the predicate describes that the unknown subject is/has/had/will be/ect taking back sunday, as in...
To obtain the first day of the week, which was previously
owned by you, from someother source.