could unroof
Verbe régulier : unroof - unroofed- unroofed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could unroof
you could unroof
he could unroof
we could unroof
you could unroof
they could unroof 	I could be unroofing
you could be unroofing
he could be unroofing
we could be unroofing
you could be unroofing
they could be unroofing	I could have unroofed
you could have unroofed
he could have unroofed
we could have unroofed
you could have unroofed
they could have unroofed	I could have been unroofing
you could have been unroofing
he could have been unroofing
we could have been unroofing
you could have been unroofing
they could have been unroofing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not unroof
you could not unroof
he could not unroof
we could not unroof
you could not unroof
they could not unroof 	I could not be unroofing
you could not be unroofing
he could not be unroofing
we could not be unroofing
you could not be unroofing
they could not be unroofing	I could not have unroofed
you could not have unroofed
he could not have unroofed
we could not have unroofed
you could not have unroofed
they could not have unroofed	I could not have been unroofing
you could not have been unroofing
he could not have been unroofing
we could not have been unroofing
you could not have been unroofing
they could not have been unroofing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I unroof?
could you unroof?
could he unroof?
could we unroof?
could you unroof?
could they unroof? 	could I be unroofing?
could you be unroofing?
could he be unroofing?
could we be unroofing?
could you be unroofing?
could they be unroofing? 	could I have unroofed?
could you have unroofed?
could he have unroofed?
could we have unroofed?
could you have unroofed?
could they have unroofed? 	could I have been unroofing?
could you have been unroofing?
could he have been unroofing?
could we have been unroofing?
could you have been unroofing?
could they have been unroofing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not unroof?
could you not unroof?
could he not unroof?
could we not unroof?
could you not unroof?
could they not unroof? 	could I not be unroofing?
could you not be unroofing?
could he not be unroofing?
could we not be unroofing?
could you not be unroofing?
could they not be unroofing? 	could I not have unroofed?
could you not have unroofed?
could he not have unroofed?
could we not have unroofed?
could you not have unroofed?
could they not have unroofed? 	could I not have been unroofing?
could you not have been unroofing?
could he not have been unroofing?
could we not have been unroofing?
could you not have been unroofing?
could they not have been unroofing?