Peter isn't running in the classroom.(祈使句)

Peter isn't running in the classroom.(祈使句) You mustn't shout in the classroom.改为祈使句 you can't eat in the classroom 改为祈使句 We couldn't run in the classroom.(改为祈使句） You can't eat in the classroom(改为祈使句) We couldn't run in the classroom.(改为祈使句) You can't play baskball in the classroom.改为祈使句 there isn't a clock a in the classroom 把这句英语改为祈使句You mustn't play in the classroom.(改为祈使句） 变祈使句You can't eat in the classroom.You can't arrive late for He isn't in the classroom .Maybe he is in the library,译为同义句, you can't play the guitar in the classroom.（改为祈使句）