1 Look at the examples from the text on page 44. Write (C) certain or (NC) not certain. Then complete the rules. a There will be some kind of base on the Moon C b We may even create lunar cities Ć NASA and the European Space Agency will probably send more astronauts to the Moon d We definitely won't live on the Moon all the time e We will certainly return to the Moon one day f Such trips might not interest as many people as those of the 1960s and 1970s
3 We use and ? to show we are sure about the future. We use to show we are not sure about the future. We use probably, definitely and certainly to show how sure we are.
A) C
B) C
C) C
D) NC
E) NC
F) C
.