run / in the hallway / must / you / not
You must not run in the halway.
your phone / you / use / in the classroom / mustn't
You mustn't use your phone in the classroom.
homework / students / do / must / their
Students must do their homework
listen / must / to / the teacher / you
You must listen to the teacher.
your / must / notebooks / write in / you
You must write in your notebooks
must / to answer / your hand / raise / you
You must raise your hand to answer.
sleep / must / in class / not / you
You must not sleep in class
on / write / you / the desk / mustn't
You mustn't write on the desk
the classroom / you / tidy / keep/ must /
You must keep the classroom tidy
You / speak / in / English / must / class
You must speak English in class
your / stay / you / in / must / seat
You must stay in your seat
when / mustn't / is / speak / you / the teacher / speaking
You mustn't speak when the teacher is speaking
