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GRAMMAR 1                                                                                                                    3     Write sentences. What do you think?


                                                                                                                                                                               Extraterrestrials might not have
               May and might TR: 4.4                                                                                                          1. green skin/extraterrestrial

               If a planet has an atmosphere, it may       Do you think astronauts might go to                                                green skin like they do in the movies.
               have life.                                  the moon again?
               There might be life on other planets.       Yes, but it may be very simple life.                                               2. comet/lifetime



              1    Read. Check the true sentences.
                                                                                                                                              3. universe/galaxies

                   1. Some stars may have planets like Earth.

                   2. We may find extraterrestrials on a distant planet.                                                                      4. comet/our planet


                   3. A meteor might hit Earth.

                   4. The Milky Way might be a galaxy.                                                                                        5. find/life


                   5. Earth may have an atmosphere.

                   6. You may become an astronaut.                                                                                            6. moon/one day


              2    Complete the sentences.
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                          are   may be   is   may discover   live   may live                                                             4     Talk about life in the universe. Work in groups of three. Take turns
                                                                                                                                               to add more information.
                   1. There                                  oxygen on planets in other galaxies.

                   2. There                                  no oxygen on the moon.


                   3. Extraterrestrials                                 on other planets.
                                                                                                                                                 There may be another planet         The planet might be too
                                                                                                                                                 with an atmosphere like Earth.
                   4. Astronauts                                   on the space station for some time.                                                                               hot or too cold for life.

                   5. There                                  other solar systems in the universe.

                   6. One day, scientists                                  life on other planets.


                                                                                                                                                                                                                       If the planet has water,
                                                                                                                                                                                                                       it may have plants.












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