should roof
Verbo regular: roof - roofed- roofed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should roof
you should roof
she should roof
we should roof
you should roof
they should roof 	I should be roofing
you should be roofing
she should be roofing
we should be roofing
you should be roofing
they should be roofing	I should have roofed
you should have roofed
she should have roofed
we should have roofed
you should have roofed
they should have roofed	I should have been roofing
you should have been roofing
she should have been roofing
we should have been roofing
you should have been roofing
they should have been roofing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not roof
you should not roof
she should not roof
we should not roof
you should not roof
they should not roof 	I should not be roofing
you should not be roofing
she should not be roofing
we should not be roofing
you should not be roofing
they should not be roofing	I should not have roofed
you should not have roofed
she should not have roofed
we should not have roofed
you should not have roofed
they should not have roofed	I should not have been roofing
you should not have been roofing
she should not have been roofing
we should not have been roofing
you should not have been roofing
they should not have been roofing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I roof?
should you roof?
should she roof?
should we roof?
should you roof?
should they roof? 	should I be roofing?
should you be roofing?
should she be roofing?
should we be roofing?
should you be roofing?
should they be roofing? 	should I have roofed?
should you have roofed?
should she have roofed?
should we have roofed?
should you have roofed?
should they have roofed? 	should I have been roofing?
should you have been roofing?
should she have been roofing?
should we have been roofing?
should you have been roofing?
should they have been roofing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not roof?
should you not roof?
should she not roof?
should we not roof?
should you not roof?
should they not roof? 	should I not be roofing?
should you not be roofing?
should she not be roofing?
should we not be roofing?
should you not be roofing?
should they not be roofing? 	should I not have roofed?
should you not have roofed?
should she not have roofed?
should we not have roofed?
should you not have roofed?
should they not have roofed? 	should I not have been roofing?
should you not have been roofing?
should she not have been roofing?
should we not have been roofing?
should you not have been roofing?
should they not have been roofing?