Номер 6 по заданию ЗАРАНЕЕ СПАСИБО!

1. I must brush my teeth. - anyone, most likely some disobedient child.2. I have to brush my teeth. - a patient of dentist's, a human with diseased tooth.3. I must tidy my room. - anyone, most likely some disobedient child.4.I have to tidy my room. - anyone, probably a child.5. I must take the medicine. - someone with easy form of illness.6. I have to take the medicine. - most likely, a regular patient