1 a Expressing possibility, obligation, permission and prohibition Complete the sentences from the text on page 27. Then complete the rule with let, may, must, should, need to and not be allowed to. The film be considered boring by some, but it was very well received. 2 A film be as expensive as the big Hollywood blockbusters. 3 Everybody appreciate the effort made by the entire team. 4 He didn't other people interfere in the production of special effects. 5 We forget to mention that all the extras in the film were people who were just there.​