could bobble
Verbo regular: bobble - bobbled- bobbled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could bobble
you could bobble
he could bobble
we could bobble
you could bobble
they could bobble 	I could be bobbling
you could be bobbling
he could be bobbling
we could be bobbling
you could be bobbling
they could be bobbling	I could have bobbled
you could have bobbled
he could have bobbled
we could have bobbled
you could have bobbled
they could have bobbled	I could have been bobbling
you could have been bobbling
he could have been bobbling
we could have been bobbling
you could have been bobbling
they could have been bobbling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not bobble
you could not bobble
he could not bobble
we could not bobble
you could not bobble
they could not bobble 	I could not be bobbling
you could not be bobbling
he could not be bobbling
we could not be bobbling
you could not be bobbling
they could not be bobbling	I could not have bobbled
you could not have bobbled
he could not have bobbled
we could not have bobbled
you could not have bobbled
they could not have bobbled	I could not have been bobbling
you could not have been bobbling
he could not have been bobbling
we could not have been bobbling
you could not have been bobbling
they could not have been bobbling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I bobble?
could you bobble?
could he bobble?
could we bobble?
could you bobble?
could they bobble? 	could I be bobbling?
could you be bobbling?
could he be bobbling?
could we be bobbling?
could you be bobbling?
could they be bobbling? 	could I have bobbled?
could you have bobbled?
could he have bobbled?
could we have bobbled?
could you have bobbled?
could they have bobbled? 	could I have been bobbling?
could you have been bobbling?
could he have been bobbling?
could we have been bobbling?
could you have been bobbling?
could they have been bobbling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not bobble?
could you not bobble?
could he not bobble?
could we not bobble?
could you not bobble?
could they not bobble? 	could I not be bobbling?
could you not be bobbling?
could he not be bobbling?
could we not be bobbling?
could you not be bobbling?
could they not be bobbling? 	could I not have bobbled?
could you not have bobbled?
could he not have bobbled?
could we not have bobbled?
could you not have bobbled?
could they not have bobbled? 	could I not have been bobbling?
could you not have been bobbling?
could he not have been bobbling?
could we not have been bobbling?
could you not have been bobbling?
could they not have been bobbling?