Write negative sentences. use the present perfect. example: (i /not /take /any /photographs) i have not taken any photographs. a) ( dmitry /not /come /from /school /yet) b) (i /not /finish /my /homework /yet) c) (my / brother /not /make /ane /mistakes) d) (we /not /watch /any /television /today)

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

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