English verb conjugation
MUST UNROOF

Regular verb: unroof - unroofed - unroofed

Affirmation

Simple form	V-ing form
I must unroof you must unroof he must unroof we must unroof you must unroof they must unroof	I must be unroofing you must be unroofing he must be unroofing we must be unroofing you must be unroofing they must be unroofing
Perfect	V-ing perfect
I must have unroofed you must have unroofed he must have unroofed we must have unroofed you must have unroofed they must have unroofed	I must have been unroofing you must have been unroofing he must have been unroofing we must have been unroofing you must have been unroofing they must have been unroofing

Negation

Simple form	V-ing form
I must not unroof you must not unroof he must not unroof we must not unroof you must not unroof they must not unroof	I must not be unroofing you must not be unroofing he must not be unroofing we must not be unroofing you must not be unroofing they must not be unroofing
Perfect	V-ing perfect
I must not have unroofed you must not have unroofed he must not have unroofed we must not have unroofed you must not have unroofed they must not have unroofed	I must not have been unroofing you must not have been unroofing he must not have been unroofing we must not have been unroofing you must not have been unroofing they must not have been unroofing

Interrogative form

Simple form	V-ing form
must I unroof? must you unroof? must he unroof? must we unroof? must you unroof? must they unroof?	must I be unroofing? must you be unroofing? must he be unroofing? must we be unroofing? must you be unroofing? must they be unroofing?
Perfect	V-ing perfect
must I have unroofed? must you have unroofed? must he have unroofed? must we have unroofed? must you have unroofed? must they have unroofed?	must I have been unroofing? must you have been unroofing? must he have been unroofing? must we have been unroofing? must you have been unroofing? must they have been unroofing?

Interro-negative form

Simple form	V-ing form
must I not unroof? must you not unroof? must he not unroof? must we not unroof? must you not unroof? must they not unroof?	must I not be unroofing? must you not be unroofing? must he not be unroofing? must we not be unroofing? must you not be unroofing? must they not be unroofing?
Perfect	V-ing perfect
must I not have unroofed? must you not have unroofed? must he not have unroofed? must we not have unroofed? must you not have unroofed? must they not have unroofed?	must I not have been unroofing? must you not have been unroofing? must he not have been unroofing? must we not have been unroofing? must you not have been unroofing? must they not have been unroofing?