could backlist
Verbo regular: backlist - backlisted- backlisted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could backlist
you could backlist
he could backlist
we could backlist
you could backlist
they could backlist 	I could be backlisting
you could be backlisting
he could be backlisting
we could be backlisting
you could be backlisting
they could be backlisting	I could have backlisted
you could have backlisted
he could have backlisted
we could have backlisted
you could have backlisted
they could have backlisted	I could have been backlisting
you could have been backlisting
he could have been backlisting
we could have been backlisting
you could have been backlisting
they could have been backlisting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not backlist
you could not backlist
he could not backlist
we could not backlist
you could not backlist
they could not backlist 	I could not be backlisting
you could not be backlisting
he could not be backlisting
we could not be backlisting
you could not be backlisting
they could not be backlisting	I could not have backlisted
you could not have backlisted
he could not have backlisted
we could not have backlisted
you could not have backlisted
they could not have backlisted	I could not have been backlisting
you could not have been backlisting
he could not have been backlisting
we could not have been backlisting
you could not have been backlisting
they could not have been backlisting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I backlist?
could you backlist?
could he backlist?
could we backlist?
could you backlist?
could they backlist? 	could I be backlisting?
could you be backlisting?
could he be backlisting?
could we be backlisting?
could you be backlisting?
could they be backlisting? 	could I have backlisted?
could you have backlisted?
could he have backlisted?
could we have backlisted?
could you have backlisted?
could they have backlisted? 	could I have been backlisting?
could you have been backlisting?
could he have been backlisting?
could we have been backlisting?
could you have been backlisting?
could they have been backlisting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not backlist?
could you not backlist?
could he not backlist?
could we not backlist?
could you not backlist?
could they not backlist? 	could I not be backlisting?
could you not be backlisting?
could he not be backlisting?
could we not be backlisting?
could you not be backlisting?
could they not be backlisting? 	could I not have backlisted?
could you not have backlisted?
could he not have backlisted?
could we not have backlisted?
could you not have backlisted?
could they not have backlisted? 	could I not have been backlisting?
could you not have been backlisting?
could he not have been backlisting?
could we not have been backlisting?
could you not have been backlisting?
could they not have been backlisting?