can roof
Regelmä&szlig;iges Verb: roof - roofed- roofed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can roof
you can roof
she can roof
we can roof
you can roof
they can roof 	I can be roofing
you can be roofing
she can be roofing
we can be roofing
you can be roofing
they can be roofing	I can have roofed
you can have roofed
she 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
she can have been roofing
we can have been roofing
you can have been roofing
they can have been roofing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I cannot roof
you cannot roof
she cannot roof
we cannot roof
you cannot roof
they cannot roof 	I cannot be roofing
you cannot be roofing
she cannot be roofing
we cannot be roofing
you cannot be roofing
they cannot be roofing	I cannot have roofed
you cannot have roofed
she 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
she cannot have been roofing
we cannot have been roofing
you cannot have been roofing
they cannot have been roofing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I roof?
can you roof?
can she roof?
can we roof?
can you roof?
can they roof? 	can I be roofing?
can you be roofing?
can she be roofing?
can we be roofing?
can you be roofing?
can they be roofing? 	can I have roofed?
can you have roofed?
can she 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 she have been roofing?
can we have been roofing?
can you have been roofing?
can they have been roofing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I not roof?
can you not roof?
can she 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 she 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 she 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 she not have been roofing?
can we not have been roofing?
can you not have been roofing?
can they not have been roofing?