Furthermore, while m5-sii2 (毋使) indicates '¬□p (not necessary)', the linguistic form of m5-zo3 (毋做) does not have the modal function.
(19) 垃圾使毋得儘採亂丟。 la2sab4 sii2-m5-ded4 cin2cai2 lon7-diu1 trash can't random litter 'Don't litter at random.'