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 mustn't unroof you mustn't unroof he mustn't unroof we mustn't unroof you mustn't unroof they mustn't unroof	I mustn't be unroofing you mustn't be unroofing he mustn't be unroofing we mustn't be unroofing you mustn't be unroofing they mustn't be unroofing
Perfect	V-ing perfect
I mustn't have unroofed you mustn't have unroofed he mustn't have unroofed we mustn't have unroofed you mustn't have unroofed they mustn't have unroofed	I mustn't have been unroofing you mustn't have been unroofing he mustn't have been unroofing we mustn't have been unroofing you mustn't have been unroofing they mustn't 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
mustn't I unroof? mustn't you unroof? mustn't he unroof? mustn't we unroof? mustn't you unroof? mustn't they unroof?	mustn't I be unroofing? mustn't you be unroofing? mustn't he be unroofing? mustn't we be unroofing? mustn't you be unroofing? mustn't they be unroofing?
Perfect	V-ing perfect
mustn't I have unroofed? mustn't you have unroofed? mustn't he have unroofed? mustn't we have unroofed? mustn't you have unroofed? mustn't they have unroofed?	mustn't I have been unroofing? mustn't you have been unroofing? mustn't he have been unroofing? mustn't we have been unroofing? mustn't you have been unroofing? mustn't they have been unroofing?