YOU MUST BE QUIET NOW改为祈使句

YOU MUST BE QUIET NOW改为祈使句 You must keep quiet(改为祈使句) you must be careful改为祈使句 You should be quiet .(改为祈使句) You mustn’t smoke hero.(改为祈使句） You must clean your bedroom now.改为祈使句 You must be quiet in the library(改为同义句) You must be careful when crossing the street.改为祈使句 You must be late for zhe meeting改为祈使句 You must be polite to the elder.(改为祈使句） You must be careful with your handwriting(改为祈使句) You must be king to other people.怎样改为祈使句 You must be more than 10 years old.(改为祈使句)