could plunk
Verbo regular: plunk - plunked- plunked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could plunk
you could plunk
she could plunk
we could plunk
you could plunk
they could plunk 	I could be plunking
you could be plunking
she could be plunking
we could be plunking
you could be plunking
they could be plunking	I could have plunked
you could have plunked
she could have plunked
we could have plunked
you could have plunked
they could have plunked	I could have been plunking
you could have been plunking
she could have been plunking
we could have been plunking
you could have been plunking
they could have been plunking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not plunk
you could not plunk
she could not plunk
we could not plunk
you could not plunk
they could not plunk 	I could not be plunking
you could not be plunking
she could not be plunking
we could not be plunking
you could not be plunking
they could not be plunking	I could not have plunked
you could not have plunked
she could not have plunked
we could not have plunked
you could not have plunked
they could not have plunked	I could not have been plunking
you could not have been plunking
she could not have been plunking
we could not have been plunking
you could not have been plunking
they could not have been plunking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I plunk?
could you plunk?
could she plunk?
could we plunk?
could you plunk?
could they plunk? 	could I be plunking?
could you be plunking?
could she be plunking?
could we be plunking?
could you be plunking?
could they be plunking? 	could I have plunked?
could you have plunked?
could she have plunked?
could we have plunked?
could you have plunked?
could they have plunked? 	could I have been plunking?
could you have been plunking?
could she have been plunking?
could we have been plunking?
could you have been plunking?
could they have been plunking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not plunk?
could you not plunk?
could she not plunk?
could we not plunk?
could you not plunk?
could they not plunk? 	could I not be plunking?
could you not be plunking?
could she not be plunking?
could we not be plunking?
could you not be plunking?
could they not be plunking? 	could I not have plunked?
could you not have plunked?
could she not have plunked?
could we not have plunked?
could you not have plunked?
could they not have plunked? 	could I not have been plunking?
could you not have been plunking?
could she not have been plunking?
could we not have been plunking?
could you not have been plunking?
could they not have been plunking?