ought to roof
Verbo regolare: roof - roofed- roofed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought to roof
you ought to roof
he ought to roof
we ought to roof
you ought to roof
they ought to roof 	I ought to be roofing
you ought to be roofing
he ought to be roofing
we ought to be roofing
you ought to be roofing
they ought to be roofing	I ought to have roofed
you ought to have roofed
he ought to have roofed
we ought to have roofed
you ought to have roofed
they ought to have roofed	I ought to have been roofing
you ought to have been roofing
he ought to have been roofing
we ought to have been roofing
you ought to have been roofing
they ought to have been roofing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought not to roof
you ought not to roof
he ought not to roof
we ought not to roof
you ought not to roof
they ought not to roof 	I ought not to roofing
you ought not to roofing
he ought not to roofing
we ought not to roofing
you ought not to roofing
they ought not to roofing	I ought not to have roofed
you ought not to have roofed
he ought not to have roofed
we ought not to have roofed
you ought not to have roofed
they ought not to have roofed	I ought not to have been roofing
you ought not to have been roofing
he ought not to have been roofing
we ought not to have been roofing
you ought not to have been roofing
they ought not to have been roofing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought to I roof?
ought to you roof?
ought to he roof?
ought to we roof?
ought to you roof?
ought to they roof? 	ought to I be roofing?
ought to you be roofing?
ought to he be roofing?
ought to we be roofing?
ought to you be roofing?
ought to they be roofing? 	ought to I have roofed?
ought to you have roofed?
ought to he have roofed?
ought to we have roofed?
ought to you have roofed?
ought to they have roofed? 	ought to I have been roofing?
ought to you have been roofing?
ought to he have been roofing?
ought to we have been roofing?
ought to you have been roofing?
ought to they have been roofing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought I not to roof?
ought you not to roof?
ought he not to roof?
ought we not to roof?
ought you not to roof?
ought they not to roof? 	ought I not to be roofing?
ought you not to be roofing?
ought he not to be roofing?
ought we not to be roofing?
ought you not to be roofing?
ought they not to be roofing? 	ought I not to have roofed?
ought you not to have roofed?
ought he not to have roofed?
ought we not to have roofed?
ought you not to have roofed?
ought they not to have roofed? 	ought I not to have been roofing?
ought you not to have been roofing?
ought he not to have been roofing?
ought we not to have been roofing?
ought you not to have been roofing?
ought they not to have been roofing?