can roof
Verbe régulier : roof - roofed- roofed
Traduction française : couvrir d'un toit 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can roof
you can roof
he can roof
we can roof
you can roof
they can roof 	I can be roofing
you can be roofing
he can be roofing
we can be roofing
you can be roofing
they can be roofing	I can have roofed
you can have roofed
he can have roofed
we can have roofed
you can have roofed
they can have roofed	I can have been roofing
you can have been roofing
he can have been roofing
we can have been roofing
you can have been roofing
they can have been roofing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot roof
you cannot roof
he cannot roof
we cannot roof
you cannot roof
they cannot roof 	I cannot be roofing
you cannot be roofing
he cannot be roofing
we cannot be roofing
you cannot be roofing
they cannot be roofing	I cannot have roofed
you cannot have roofed
he cannot have roofed
we cannot have roofed
you cannot have roofed
they cannot have roofed	I cannot have been roofing
you cannot have been roofing
he cannot have been roofing
we cannot have been roofing
you cannot have been roofing
they cannot have been roofing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I roof?
can you roof?
can he roof?
can we roof?
can you roof?
can they roof? 	can I be roofing?
can you be roofing?
can he be roofing?
can we be roofing?
can you be roofing?
can they be roofing? 	can I have roofed?
can you have roofed?
can he have roofed?
can we have roofed?
can you have roofed?
can they have roofed? 	can I have been roofing?
can you have been roofing?
can he have been roofing?
can we have been roofing?
can you have been roofing?
can they have been roofing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not roof?
can you not roof?
can he not roof?
can we not roof?
can you not roof?
can they not roof? 	can I not be roofing?
can you not be roofing?
can he not be roofing?
can we not be roofing?
can you not be roofing?
can they not be roofing? 	can I not have roofed?
can you not have roofed?
can he not have roofed?
can we not have roofed?
can you not have roofed?
can they not have roofed? 	can I not have been roofing?
can you not have been roofing?
can he not have been roofing?
can we not have been roofing?
can you not have been roofing?
can they not have been roofing?