subject and predicate

    * The complete subject includes words that tell us what the sentence is about.

       We were listening to music. 

    * The complete predicate includes all the words that action or situation of the subject.
       We were listening to music. 
      

    * Every sentence can be divided into two parts-a subject and a perdicate.

online exercise subject and predicate

http://esl.fis.edu/grammar/multi/subpred.htm