Conjugación del verbo inglés
COULD BUBBLE

Verbo regular: bubble - bubbled - bubbled

Afirmación

Forma simple	Forma con V-ing
I could bubble you could bubble he could bubble we could bubble you could bubble they could bubble	I could be bubbling you could be bubbling he could be bubbling we could be bubbling you could be bubbling they could be bubbling
Perfecto	Perfecto con V-ing
I could have bubbled you could have bubbled he could have bubbled we could have bubbled you could have bubbled they could have bubbled	I could have been bubbling you could have been bubbling he could have been bubbling we could have been bubbling you could have been bubbling they could have been bubbling

Negación

Forma simple	Forma con V-ing
I could not bubble you could not bubble he could not bubble we could not bubble you could not bubble they could not bubble	I could not be bubbling you could not be bubbling he could not be bubbling we could not be bubbling you could not be bubbling they could not be bubbling
Perfecto	Perfecto con V-ing
I could not have bubbled you could not have bubbled he could not have bubbled we could not have bubbled you could not have bubbled they could not have bubbled	I could not have been bubbling you could not have been bubbling he could not have been bubbling we could not have been bubbling you could not have been bubbling they could not have been bubbling

Forma interrogativa

Forma simple	Forma con V-ing
could I bubble? could you bubble? could he bubble? could we bubble? could you bubble? could they bubble?	could I be bubbling? could you be bubbling? could he be bubbling? could we be bubbling? could you be bubbling? could they be bubbling?
Perfecto	Perfecto con V-ing
could I have bubbled? could you have bubbled? could he have bubbled? could we have bubbled? could you have bubbled? could they have bubbled?	could I have been bubbling? could you have been bubbling? could he have been bubbling? could we have been bubbling? could you have been bubbling? could they have been bubbling?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not bubble? could you not bubble? could he not bubble? could we not bubble? could you not bubble? could they not bubble?	could I not be bubbling? could you not be bubbling? could he not be bubbling? could we not be bubbling? could you not be bubbling? could they not be bubbling?
Perfecto	Perfecto con V-ing
could I not have bubbled? could you not have bubbled? could he not have bubbled? could we not have bubbled? could you not have bubbled? could they not have bubbled?	could I not have been bubbling? could you not have been bubbling? could he not have been bubbling? could we not have been bubbling? could you not have been bubbling? could they not have been bubbling?