should / shouldn't / must / mustn't/have to / don't, doesn't have to /can/can't. 1. We keep the house clean. 2. You have a short hair in the army. It is the rule of the army. 3. It's Sunday. Dan get up early. speak Spanish, but I speak English 5. We cross the street on the red light. be afraid of modern inventions. 6. You 7. They be in a hurry, because they have enough time. 8. You read this text. It's interesting!​