E Rewrite the sentences using can (x2), can't, (don't) have to, must, mustn't. 1 It's forbidden to swim in this area. 5 You aren't allowed to take pictures of the animals. 2 it's possible to see crocodiles there. 6 It's the rule to drive slowly in the park. 3 Is it OK if I borrow your boots? 7 It isn't necessary to take water with you. There's a café at the front entrance. 4 It's necessary to wear long trousers.