Respuesta :
11- days, night = compound subject
12- plays, sings = compound predicates
13- Mary and Bill = compound subjects //bought furnished = compound predicate
14- Chairs, tables rugs = compound subjects //were chosen and furnished = compound predicate
15- begin and end = compound predicate
16_ John and Elaine = compound subjject
a compound predicate has to tell us two things at least with the same subject
a compound subject is two or more subjects
hope I didn't make any mistakes
days, nights (compound subject)
plays, sings (compound predicate)
Mary, Bill (compound subject) bought, furnished (compound predicate)
Chairs, tables, rugs (compound subject) were chosen, purchased (compound predicate)
begin, end (compound predicate)
John, Elaine (compound subject)