could pup
Verbo regular: pup - pupped- pupped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could pup
you could pup
he could pup
we could pup
you could pup
they could pup 	I could be pupping
you could be pupping
he could be pupping
we could be pupping
you could be pupping
they could be pupping	I could have pupped
you could have pupped
he could have pupped
we could have pupped
you could have pupped
they could have pupped	I could have been pupping
you could have been pupping
he could have been pupping
we could have been pupping
you could have been pupping
they could have been pupping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not pup
you could not pup
he could not pup
we could not pup
you could not pup
they could not pup 	I could not be pupping
you could not be pupping
he could not be pupping
we could not be pupping
you could not be pupping
they could not be pupping	I could not have pupped
you could not have pupped
he could not have pupped
we could not have pupped
you could not have pupped
they could not have pupped	I could not have been pupping
you could not have been pupping
he could not have been pupping
we could not have been pupping
you could not have been pupping
they could not have been pupping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I pup?
could you pup?
could he pup?
could we pup?
could you pup?
could they pup? 	could I be pupping?
could you be pupping?
could he be pupping?
could we be pupping?
could you be pupping?
could they be pupping? 	could I have pupped?
could you have pupped?
could he have pupped?
could we have pupped?
could you have pupped?
could they have pupped? 	could I have been pupping?
could you have been pupping?
could he have been pupping?
could we have been pupping?
could you have been pupping?
could they have been pupping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not pup?
could you not pup?
could he not pup?
could we not pup?
could you not pup?
could they not pup? 	could I not be pupping?
could you not be pupping?
could he not be pupping?
could we not be pupping?
could you not be pupping?
could they not be pupping? 	could I not have pupped?
could you not have pupped?
could he not have pupped?
could we not have pupped?
could you not have pupped?
could they not have pupped? 	could I not have been pupping?
could you not have been pupping?
could he not have been pupping?
could we not have been pupping?
could you not have been pupping?
could they not have been pupping?