Ответ:
1. Mike can't drive mum's car if he's careless.
2. The schoolchildren aren’t allowed to talk during the exam. It’s forbidden.
3. They can have a party if they clean the house the next day.
4. The notice on the door says “Private”. You can't go into that room.
5. .We aren't allowed to feed the animals. Don’t give the monkey any food.
6. He’s allowed to use his sister’s computer when she doesn’t need it.