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The future simple passive                          Change the sentences into the passive voice.
                                                          Example:
            (+) Subject + will be + past participle
                                                          We will use low energy light bulbs.
            (-) Subject + will not be + past participle
                                                          Low energy light bulbs will be used.
            (?) Will + subject + be + past participle?
                                                          1.  We will use waves as an environmentally friendly
                                                              energy source.
            Remember!                                         Waves will ___________________________________.
            The passive voice is used in some cases.      2.  They will install a network of wind turbines to
            -  When the object of a sentence is not           generate electricity.
            important:
            Solar panels will be put on the roof.             A network of wind turbines will ________________.
            - When the doer of the action is not known:   3.  In the countryside, people will burn plants to
            Alternative sources of energy will be developed   produce heat.
            quickly.
            If the doer is still important, we can            In the countryside, plants will _________________.
            add a ‘by’ phrase:                            4.  We will reduce energy consumption as much as
            A test on alternative sources                     possible.
            of energy will be taken by
                                                              Energy consumption will _____________________.
            Class 7A.
                                                          5.  We will develop alternative sources of energy.
                                                              Alternative sources of energy will _____________.
                                                          6.  We will use solar energy to solve the problem of
             Complete the magazine article with the
             passive form of the verbs below.                 energy shortage.
                                                              Solar energy will ______________________________.
             place       solve       provide       store       use


                                                             Look at the pictures. Write what will be done
                                                              in the future.






             We are looking for cheap, clean, and eff ective
             sources of energy.  These types of energy won’t
             cause pollution or waste natural resources.
             Solar power is one of these energy sources.
             It will (1) _____________ freely by the sun. One   ______________________  ______________________
             percent of the solar energy that reaches the   ______________________  ______________________
             earth will be enough to provide electricity   ______________________  ______________________
             for the whole population of the world. Solar
             energy will (2) ___________________ by many
             countries around the world. Solar panels
             will (3)  _____________________ on the roofs
             of houses and other buildings and the sun’s
             energy will be used to heat water.
             The energy will (4)  _________________ for
             a long time.  We hope that by using solar
                                                          ______________________  ______________________
             energy the problem of the energy shortage
                                                          ______________________  ______________________
             will (5) ________________.
                                                          ______________________  ______________________

          42   Unit 10/Sources of Energy
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