could keynote
Verbo regular: keynote - keynoted- keynoted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could keynote
you could keynote
he could keynote
we could keynote
you could keynote
they could keynote 	I could be keynoting
you could be keynoting
he could be keynoting
we could be keynoting
you could be keynoting
they could be keynoting	I could have keynoted
you could have keynoted
he could have keynoted
we could have keynoted
you could have keynoted
they could have keynoted	I could have been keynoting
you could have been keynoting
he could have been keynoting
we could have been keynoting
you could have been keynoting
they could have been keynoting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not keynote
you could not keynote
he could not keynote
we could not keynote
you could not keynote
they could not keynote 	I could not be keynoting
you could not be keynoting
he could not be keynoting
we could not be keynoting
you could not be keynoting
they could not be keynoting	I could not have keynoted
you could not have keynoted
he could not have keynoted
we could not have keynoted
you could not have keynoted
they could not have keynoted	I could not have been keynoting
you could not have been keynoting
he could not have been keynoting
we could not have been keynoting
you could not have been keynoting
they could not have been keynoting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I keynote?
could you keynote?
could he keynote?
could we keynote?
could you keynote?
could they keynote? 	could I be keynoting?
could you be keynoting?
could he be keynoting?
could we be keynoting?
could you be keynoting?
could they be keynoting? 	could I have keynoted?
could you have keynoted?
could he have keynoted?
could we have keynoted?
could you have keynoted?
could they have keynoted? 	could I have been keynoting?
could you have been keynoting?
could he have been keynoting?
could we have been keynoting?
could you have been keynoting?
could they have been keynoting? 	

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