could plunge
Verbo regular: plunge - plunged- plunged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could plunge
you could plunge
he could plunge
we could plunge
you could plunge
they could plunge 	I could be plunging
you could be plunging
he could be plunging
we could be plunging
you could be plunging
they could be plunging	I could have plunged
you could have plunged
he could have plunged
we could have plunged
you could have plunged
they could have plunged	I could have been plunging
you could have been plunging
he could have been plunging
we could have been plunging
you could have been plunging
they could have been plunging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not plunge
you could not plunge
he could not plunge
we could not plunge
you could not plunge
they could not plunge 	I could not be plunging
you could not be plunging
he could not be plunging
we could not be plunging
you could not be plunging
they could not be plunging	I could not have plunged
you could not have plunged
he could not have plunged
we could not have plunged
you could not have plunged
they could not have plunged	I could not have been plunging
you could not have been plunging
he could not have been plunging
we could not have been plunging
you could not have been plunging
they could not have been plunging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I plunge?
could you plunge?
could he plunge?
could we plunge?
could you plunge?
could they plunge? 	could I be plunging?
could you be plunging?
could he be plunging?
could we be plunging?
could you be plunging?
could they be plunging? 	could I have plunged?
could you have plunged?
could he have plunged?
could we have plunged?
could you have plunged?
could they have plunged? 	could I have been plunging?
could you have been plunging?
could he have been plunging?
could we have been plunging?
could you have been plunging?
could they have been plunging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not plunge?
could you not plunge?
could he not plunge?
could we not plunge?
could you not plunge?
could they not plunge? 	could I not be plunging?
could you not be plunging?
could he not be plunging?
could we not be plunging?
could you not be plunging?
could they not be plunging? 	could I not have plunged?
could you not have plunged?
could he not have plunged?
could we not have plunged?
could you not have plunged?
could they not have plunged? 	could I not have been plunging?
could you not have been plunging?
could he not have been plunging?
could we not have been plunging?
could you not have been plunging?
could they not have been plunging?