could frank
Verbo regular: frank - franked- franked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could frank
you could frank
she could frank
we could frank
you could frank
they could frank 	I could be franking
you could be franking
she could be franking
we could be franking
you could be franking
they could be franking	I could have franked
you could have franked
she could have franked
we could have franked
you could have franked
they could have franked	I could have been franking
you could have been franking
she could have been franking
we could have been franking
you could have been franking
they could have been franking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not frank
you could not frank
she could not frank
we could not frank
you could not frank
they could not frank 	I could not be franking
you could not be franking
she could not be franking
we could not be franking
you could not be franking
they could not be franking	I could not have franked
you could not have franked
she could not have franked
we could not have franked
you could not have franked
they could not have franked	I could not have been franking
you could not have been franking
she could not have been franking
we could not have been franking
you could not have been franking
they could not have been franking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I frank?
could you frank?
could she frank?
could we frank?
could you frank?
could they frank? 	could I be franking?
could you be franking?
could she be franking?
could we be franking?
could you be franking?
could they be franking? 	could I have franked?
could you have franked?
could she have franked?
could we have franked?
could you have franked?
could they have franked? 	could I have been franking?
could you have been franking?
could she have been franking?
could we have been franking?
could you have been franking?
could they have been franking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not frank?
could you not frank?
could she not frank?
could we not frank?
could you not frank?
could they not frank? 	could I not be franking?
could you not be franking?
could she not be franking?
could we not be franking?
could you not be franking?
could they not be franking? 	could I not have franked?
could you not have franked?
could she not have franked?
could we not have franked?
could you not have franked?
could they not have franked? 	could I not have been franking?
could you not have been franking?
could she not have been franking?
could we not have been franking?
could you not have been franking?
could they not have been franking?