I must poop you must poop he must poop we must poop you must poop they must poop
V-ing form
I must be pooping you must be pooping he must be pooping we must be pooping you must be pooping they must be pooping
Perfect
I must have pooped you must have pooped he 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 he must have been pooping we must have been pooping you must have been pooping they must have been pooping
Negation
Simple form
I must not poop you must not poop he must not poop we must not poop you must not poop they must not poop
V-ing form
I must not be pooping you must not be pooping he must not be pooping we must not be pooping you must not be pooping they must not be pooping
Perfect
I must not have pooped you must not have pooped he must not have pooped we must not have pooped you must not have pooped they must not have pooped
V-ing perfect
I must not have been pooping you must not have been pooping he must not have been pooping we must not have been pooping you must not have been pooping they must not have been pooping
Interrogative form
Simple form
must I poop? must you poop? must he poop? must we poop? must you poop? must they poop?
V-ing form
must I be pooping? must you be pooping? must he be pooping? must we be pooping? must you be pooping? must they be pooping?
Perfect
must I have pooped? must you have pooped? must he 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 he have been pooping? must we have been pooping? must you have been pooping? must they have been pooping?
Interro-negative form
Simple form
must I not poop? must you not poop? must he not poop? must we not poop? must you not poop? must they not poop?
V-ing form
must I not be pooping? must you not be pooping? must he not be pooping? must we not be pooping? must you not be pooping? must they not be pooping?
Perfect
must I not have pooped? must you not have pooped? must he not have pooped? must we not have pooped? must you not have pooped? must they not have pooped?
V-ing perfect
must I not have been pooping? must you not have been pooping? must he not have been pooping? must we not have been pooping? must you not have been pooping? must they not have been pooping?