could wave
Verbo regular: wave - waved- waved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could wave
you could wave
he could wave
we could wave
you could wave
they could wave 	I could be waving
you could be waving
he could be waving
we could be waving
you could be waving
they could be waving	I could have waved
you could have waved
he could have waved
we could have waved
you could have waved
they could have waved	I could have been waving
you could have been waving
he could have been waving
we could have been waving
you could have been waving
they could have been waving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not wave
you could not wave
he could not wave
we could not wave
you could not wave
they could not wave 	I could not be waving
you could not be waving
he could not be waving
we could not be waving
you could not be waving
they could not be waving	I could not have waved
you could not have waved
he could not have waved
we could not have waved
you could not have waved
they could not have waved	I could not have been waving
you could not have been waving
he could not have been waving
we could not have been waving
you could not have been waving
they could not have been waving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I wave?
could you wave?
could he wave?
could we wave?
could you wave?
could they wave? 	could I be waving?
could you be waving?
could he be waving?
could we be waving?
could you be waving?
could they be waving? 	could I have waved?
could you have waved?
could he have waved?
could we have waved?
could you have waved?
could they have waved? 	could I have been waving?
could you have been waving?
could he have been waving?
could we have been waving?
could you have been waving?
could they have been waving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not wave?
could you not wave?
could he not wave?
could we not wave?
could you not wave?
could they not wave? 	could I not be waving?
could you not be waving?
could he not be waving?
could we not be waving?
could you not be waving?
could they not be waving? 	could I not have waved?
could you not have waved?
could he not have waved?
could we not have waved?
could you not have waved?
could they not have waved? 	could I not have been waving?
could you not have been waving?
could he not have been waving?
could we not have been waving?
could you not have been waving?
could they not have been waving?