can unroof
Regular verb: unroof - unroofed- unroofed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't unroof
you can't unroof
he can't unroof
we can't unroof
you can't unroof
they can't unroof 	I can't be unroofing
you can't be unroofing
he can't be unroofing
we can't be unroofing
you can't be unroofing
they can't be unroofing	I can't have unroofed
you can't have unroofed
he can't have unroofed
we can't have unroofed
you can't have unroofed
they can't have unroofed	I can't have been unroofing
you can't have been unroofing
he can't have been unroofing
we can't have been unroofing
you can't have been unroofing
they can't have been unroofing	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I unroof?
can't you unroof?
can't he unroof?
can't we unroof?
can't you unroof?
can't they unroof? 	can't I be unroofing?
can't you be unroofing?
can't he be unroofing?
can't we be unroofing?
can't you be unroofing?
can't they be unroofing? 	can't I have unroofed?
can't you have unroofed?
can't he have unroofed?
can't we have unroofed?
can't you have unroofed?
can't they have unroofed? 	can't I have been unroofing?
can't you have been unroofing?
can't he have been unroofing?
can't we have been unroofing?
can't you have been unroofing?
can't they have been unroofing?