You must not frighten your pet .( 祈使句)

You must not frighten your pet .( 祈使句) you must not bring your bag there (改为祈使句） You must not drink coffee 变祈使句! You must touch your foot.改为祈使句 You must do your homework(祈使句) you must not bring your bag into the supermarket 改为祈使句 you must look after your pet.（提问） You must not play at the crossing road 变成祈使句 You must not be late for school改祈使句 you must not watch TV after school 改祈使句 You must not look out of the window.改为祈使句 You must not leave rubbish in the library改为祈使句