can unroof
Regular verb: unroof - unroofed- unroofed

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