could simple
Verbo regular: simple - simpled- simpled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could simple
you could simple
he could simple
we could simple
you could simple
they could simple 	I could be simpling
you could be simpling
he could be simpling
we could be simpling
you could be simpling
they could be simpling	I could have simpled
you could have simpled
he could have simpled
we could have simpled
you could have simpled
they could have simpled	I could have been simpling
you could have been simpling
he could have been simpling
we could have been simpling
you could have been simpling
they could have been simpling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not simple
you could not simple
he could not simple
we could not simple
you could not simple
they could not simple 	I could not be simpling
you could not be simpling
he could not be simpling
we could not be simpling
you could not be simpling
they could not be simpling	I could not have simpled
you could not have simpled
he could not have simpled
we could not have simpled
you could not have simpled
they could not have simpled	I could not have been simpling
you could not have been simpling
he could not have been simpling
we could not have been simpling
you could not have been simpling
they could not have been simpling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I simple?
could you simple?
could he simple?
could we simple?
could you simple?
could they simple? 	could I be simpling?
could you be simpling?
could he be simpling?
could we be simpling?
could you be simpling?
could they be simpling? 	could I have simpled?
could you have simpled?
could he have simpled?
could we have simpled?
could you have simpled?
could they have simpled? 	could I have been simpling?
could you have been simpling?
could he have been simpling?
could we have been simpling?
could you have been simpling?
could they have been simpling? 	

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