could prang
Verbo regular: prang - pranged- pranged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could prang
you could prang
she could prang
we could prang
you could prang
they could prang 	I could be pranging
you could be pranging
she could be pranging
we could be pranging
you could be pranging
they could be pranging	I could have pranged
you could have pranged
she could have pranged
we could have pranged
you could have pranged
they could have pranged	I could have been pranging
you could have been pranging
she could have been pranging
we could have been pranging
you could have been pranging
they could have been pranging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not prang
you could not prang
she could not prang
we could not prang
you could not prang
they could not prang 	I could not be pranging
you could not be pranging
she could not be pranging
we could not be pranging
you could not be pranging
they could not be pranging	I could not have pranged
you could not have pranged
she could not have pranged
we could not have pranged
you could not have pranged
they could not have pranged	I could not have been pranging
you could not have been pranging
she could not have been pranging
we could not have been pranging
you could not have been pranging
they could not have been pranging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I prang?
could you prang?
could she prang?
could we prang?
could you prang?
could they prang? 	could I be pranging?
could you be pranging?
could she be pranging?
could we be pranging?
could you be pranging?
could they be pranging? 	could I have pranged?
could you have pranged?
could she have pranged?
could we have pranged?
could you have pranged?
could they have pranged? 	could I have been pranging?
could you have been pranging?
could she have been pranging?
could we have been pranging?
could you have been pranging?
could they have been pranging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not prang?
could you not prang?
could she not prang?
could we not prang?
could you not prang?
could they not prang? 	could I not be pranging?
could you not be pranging?
could she not be pranging?
could we not be pranging?
could you not be pranging?
could they not be pranging? 	could I not have pranged?
could you not have pranged?
could she not have pranged?
could we not have pranged?
could you not have pranged?
could they not have pranged? 	could I not have been pranging?
could you not have been pranging?
could she not have been pranging?
could we not have been pranging?
could you not have been pranging?
could they not have been pranging?