A. make the following sentences negative. 1. you must leave this room. 2. he has to stay longer. 3. they have to make a noise. 4. you have to read this book. 5. they have to sell our house. 6. he must take it away. 7. he said you must listen to them. 8. you must begin before 5 o´clock. b. change these sentences into the interrogative. 1. she has someone living with 2. she has a shock about the news. 3. the judge has pity on them. 4. he usually has a lot of difficulty in reading her writing. 5. she must write a letter to her boyfriend 6. february has thirty days. 7. he has a good reason for what he’s doing 8. mrs smith must be in the hospital.