You mustn't look out of the window in class(改为祈使句）

You mustn't look out of the window in class(改为祈使句） You must not look out of the window.改为祈使句 you must not look out of the window改为祈使句 You mustn’t listen to the music in class（改为祈使句） ( ) ( ) to t You mustn't swim in the sea.（改为祈使句） You mustn't listento MP4 in class.改为祈使句 You mustn't speak in class.(改为祈使句) Tom is looking out of the window in class.改为否定祈使句! You mustn't talk class.(改为祈使句) 把这句英语改为祈使句You mustn't play in the classroom.(改为祈使句） You can not look out of the window.改成祈使句 You must not look out of the window改祈使句