I must poop you must poop she must poop we must poop you must poop they must poop
V-ing form
I must be pooping you must be pooping she must be pooping we must be pooping you must be pooping they must be pooping
Perfect
I must have pooped you must have pooped she must have pooped we must have pooped you must have pooped they must have pooped
V-ing perfect
I must have been pooping you must have been pooping she must have been pooping we must have been pooping you must have been pooping they must have been pooping
Negation
Simple form
I mustn't poop you mustn't poop she mustn't poop we mustn't poop you mustn't poop they mustn't poop
V-ing form
I mustn't be pooping you mustn't be pooping she mustn't be pooping we mustn't be pooping you mustn't be pooping they mustn't be pooping
Perfect
I mustn't have pooped you mustn't have pooped she mustn't have pooped we mustn't have pooped you mustn't have pooped they mustn't have pooped
V-ing perfect
I mustn't have been pooping you mustn't have been pooping she mustn't have been pooping we mustn't have been pooping you mustn't have been pooping they mustn't have been pooping
Interrogative form
Simple form
must I poop? must you poop? must she poop? must we poop? must you poop? must they poop?
V-ing form
must I be pooping? must you be pooping? must she be pooping? must we be pooping? must you be pooping? must they be pooping?
Perfect
must I have pooped? must you have pooped? must she have pooped? must we have pooped? must you have pooped? must they have pooped?
V-ing perfect
must I have been pooping? must you have been pooping? must she have been pooping? must we have been pooping? must you have been pooping? must they have been pooping?
Interro-negative form
Simple form
mustn't I poop? mustn't you poop? mustn't she poop? mustn't we poop? mustn't you poop? mustn't they poop?
V-ing form
mustn't I be pooping? mustn't you be pooping? mustn't she be pooping? mustn't we be pooping? mustn't you be pooping? mustn't they be pooping?
Perfect
mustn't I have pooped? mustn't you have pooped? mustn't she have pooped? mustn't we have pooped? mustn't you have pooped? mustn't they have pooped?
V-ing perfect
mustn't I have been pooping? mustn't you have been pooping? mustn't she have been pooping? mustn't we have been pooping? mustn't you have been pooping? mustn't they have been pooping?