1. On Friday Esther showed the jeweler an antique necklace
On Friday = Prep phrase
Esther = Subject
showed = verb
Jeweler =
indirect objectnecklace =
direct object2. Dianna gave George a cold shoulder at the party.
Diana = Subject
gave= verb
George =
indirect objectshoulder =
direct objectat the party = prep phrase
3 The pilot told the crew chief about the damages
Pilot = Subject
told = verb
chief =
indirect objectabout the damages = prep phrase
4. Take the book to your mother
Take = verb
book =
direct objectto your mother = prep phrase
5 Sandy´s throw to first base was short
Throw = subject
to first base = prep phrase
was = verb
short =
predicate adjective6. Maine´s eastern boundary is the western edge of the Atlantic Ocean
Boundary = subject
is = verb
edge =
predicate nounof the atlantic ocean = prep phrase
7. The grey-blue ocean stretched out before him
ocean= subject
stretched = verb
before him = prep phrase
I see nothing wrong with #7.http://grammar.ccc.commnet.edu/grammar/index2.htmFind the topics you need to study, and then read, read, read. There are quizzes here you could take, too.