The big, brown, ferocious bear.
FRAGMENT
This is missing a verb.
Carmen loved traveling in Italy she thought Rome was beautiful.
RUN-ON
This is missing a comma and conjunction after "Italy." It could also be separated into two sentences by adding a period after "Italy" and capitalizing "she."
The flowers are blooming, and the sun is shining.
SENTENCE (compound)
In the tropical forest.
FRAGMENT
This is a prepositional phrase. There is no subject or verb.
Billy and Bob drove to town.
SENTENCE (compound subject)
The children are excited, they wait excitedly for Sam to come visit.
RUN-ON
This is missing a coordinating conjunction after the comma. This could also be separated into two sentences by adding a period instead of the comma and capitalizing "they."
Monkeys live in many places around the world.
SENTENCE (simple)
The girls played basketball, but the boys played tennis.
SENTENCE (compound)
Although it has very stumpy legs, it can run as fast as 35 miles an hour.
SENTENCE (complex)
Ate the jelly donuts.
FRAGMENT
This is missing a subject.
Most of those computers in the lab are broken already, this makes me mad.
RUN-ON
The sentence is missing a conjunction after the comma. The sentence could also be separated into two sentences by turning the comma into a period and capitalizing "this."
FRAGMENT
This is missing a subject.
Until all the cell phones stop ringing in theaters.
FRAGMENT
This is a dependent clause because of the subordinating conjunction "until." It is missing an independent clause.
My favorite food is pizza because it is very tasty.
SENTENCE (complex)
This animal can grow to more than 6 feet tall and can weigh up to 6,000 pounds.
SENTENCE (compound predicate)