Rewrite these sentences as questions or negatives, according to the instruction

Rewrite these sentences as questions or negatives, according to the instruction given. 1 I must go to the hospital tonight. (negative) I mustn39;t go to the hospital tonight. 2 James can play the piano. (question) Can James play the piano? 3 Peter can pay for us. (question) 4 We must go to the passport office today. (negative) 5 We can go to the bank tomorrow. (negative question) 6 You should phone the school today. (negative) 7 You can answer all the questions. (question) 8 She can pay for the lessons. (negative) 9 You can talk to Mary for me. (question) 10 Peter can check the times of the trains for us. (question) 11 We must say goodbye to Alan and Sue. (question) 12 They can stay here for a week. (negative) 13 We can buy a return ticket here. (question) 14 They should help you. (negative) 15 He can understand me. (negative question)