could nickel
Verbo regular: nickel - nickelled- nickelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could nickel
you could nickel
he could nickel
we could nickel
you could nickel
they could nickel 	I could be nickelling
you could be nickelling
he could be nickelling
we could be nickelling
you could be nickelling
they could be nickelling	I could have nickelled
you could have nickelled
he could have nickelled
we could have nickelled
you could have nickelled
they could have nickelled	I could have been nickelling
you could have been nickelling
he could have been nickelling
we could have been nickelling
you could have been nickelling
they could have been nickelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not nickel
you could not nickel
he could not nickel
we could not nickel
you could not nickel
they could not nickel 	I could not be nickelling
you could not be nickelling
he could not be nickelling
we could not be nickelling
you could not be nickelling
they could not be nickelling	I could not have nickelled
you could not have nickelled
he could not have nickelled
we could not have nickelled
you could not have nickelled
they could not have nickelled	I could not have been nickelling
you could not have been nickelling
he could not have been nickelling
we could not have been nickelling
you could not have been nickelling
they could not have been nickelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I nickel?
could you nickel?
could he nickel?
could we nickel?
could you nickel?
could they nickel? 	could I be nickelling?
could you be nickelling?
could he be nickelling?
could we be nickelling?
could you be nickelling?
could they be nickelling? 	could I have nickelled?
could you have nickelled?
could he have nickelled?
could we have nickelled?
could you have nickelled?
could they have nickelled? 	could I have been nickelling?
could you have been nickelling?
could he have been nickelling?
could we have been nickelling?
could you have been nickelling?
could they have been nickelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not nickel?
could you not nickel?
could he not nickel?
could we not nickel?
could you not nickel?
could they not nickel? 	could I not be nickelling?
could you not be nickelling?
could he not be nickelling?
could we not be nickelling?
could you not be nickelling?
could they not be nickelling? 	could I not have nickelled?
could you not have nickelled?
could he not have nickelled?
could we not have nickelled?
could you not have nickelled?
could they not have nickelled? 	could I not have been nickelling?
could you not have been nickelling?
could he not have been nickelling?
could we not have been nickelling?
could you not have been nickelling?
could they not have been nickelling?