could octuple
Verbo regular: octuple - octupled- octupled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could octuple
you could octuple
he could octuple
we could octuple
you could octuple
they could octuple 	I could be octupling
you could be octupling
he could be octupling
we could be octupling
you could be octupling
they could be octupling	I could have octupled
you could have octupled
he could have octupled
we could have octupled
you could have octupled
they could have octupled	I could have been octupling
you could have been octupling
he could have been octupling
we could have been octupling
you could have been octupling
they could have been octupling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not octuple
you could not octuple
he could not octuple
we could not octuple
you could not octuple
they could not octuple 	I could not be octupling
you could not be octupling
he could not be octupling
we could not be octupling
you could not be octupling
they could not be octupling	I could not have octupled
you could not have octupled
he could not have octupled
we could not have octupled
you could not have octupled
they could not have octupled	I could not have been octupling
you could not have been octupling
he could not have been octupling
we could not have been octupling
you could not have been octupling
they could not have been octupling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I octuple?
could you octuple?
could he octuple?
could we octuple?
could you octuple?
could they octuple? 	could I be octupling?
could you be octupling?
could he be octupling?
could we be octupling?
could you be octupling?
could they be octupling? 	could I have octupled?
could you have octupled?
could he have octupled?
could we have octupled?
could you have octupled?
could they have octupled? 	could I have been octupling?
could you have been octupling?
could he have been octupling?
could we have been octupling?
could you have been octupling?
could they have been octupling? 	

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