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.

1. My brother is at school. He's a student.
2. My mother is at work. She's a doctor.
3. Kate is a schoolgirl. She's 7. Now she's not at home, she's at school. She has got a lot of toys.
4. My aunt is at work. She's got a lot of work.
5. Is mother at home? Yes, she's in the kitchen.
6. They are workers. They are very busy.
7. Who are they? They are scientists
8. Helen is a painter. She's got a lot of paintings.
9. Are you an engineer? No, I'm  a doctor. My brother is an engineer.
10. My brother's name is Nick.
11. My sister's name is Mary.
12. Her cat's name is Tom.