Complex and Compound-Complex Sentences - PowerPoint

							           Complex Sentences
 One independent (main) clause and one or more
  dependent (subordinate) clause.

 Example:
      Some areas become deforested because people need wood for
       fuel.
      Because people need wood for fuel, they cut down trees that
       have grown for many years.


                                      There are TWO
                                  dependent clauses in this
                                   sentence, can you spot
                                          them?
  Compound-Complex Sentences
 Has more than one independent (main) clause and at least
  one dependent (subordinate) clause

 Example
   Campers need fuel for cooking, but they should use stoves
    that require no wood.
                     Practice


 Using a whiteboard and a marker, identify the dependent
  clause in each sentence. If a sentence has no dependent
  clause, write NONE.
                        Practice
 Since the world’s supply of wood is limited, environmentalists
  encourage conservation of timber resources.



 The United States government controls large areas of national
  forest and sets the policy for use of the timber.




 Many states have set aside land for state forests, which may
  also be used for recreation.
                      Practice
 People’s ideas about forest conservation differ, and
  opposing groups present arguments that deserve serious
  consideration.




 Because opinions on the subject are so different, no simple
  solution exists.
                   Practice


Working in pairs, write the dependent clause that appears
in each of the following sentences . Then write complex or
compound-complex to identify each sentence.
                   Practice


Energy conservation has become extremely important
because millions of energy consuming devices are in use
every day.
                   Practice


When builders construct new homes, they should install
solar panels and other passive solar devices and as many
energy-saving appliances as possible.
                   Practice


Although energy-efficient appliances cost more, their use
results in long-term savings for the owner, and the
environment benefits, too.
                    Practice


Because legislators have enacted certain laws, all new cars
must be energy efficient.
                    Practice


When cars use less gas, the air is cleaner, and people may
have less trouble breathing.
                    Practice


Though sulfur pollution is a threat to human health, it also
damages lakes, wildlife, and buildings.
                   Practice


Although water power can generate electricity,
hydroelectric dams may cause floods on farmland, in
forests, and in wildlife areas.
                  Practice


We must always find ways of producing more goods, but
at the same time we must reduce the amount of energy
that we consume in producing those goods.
                    Practice


Conservation and solar power are the keys to a safe future,
so we must cautiously use the devises that cool, heat, and
transport us.
  Homework


Complete exercise 9 on
   pg. 544. Due
    tomorrow!!!