Conjugación del verbo inglés
COULD ALTER ALTER

Verbo regular: alter alter - alter altered - alter altered

Atención, este verbo puede no existir, se da como ejemplo la conjugación.

Afirmación

Forma simple	Forma con V-ing
I could alter alter you could alter alter he could alter alter we could alter alter you could alter alter they could alter alter	I could be alter altering you could be alter altering he could be alter altering we could be alter altering you could be alter altering they could be alter altering
Perfecto	Perfecto con V-ing
I could have alter altered you could have alter altered he could have alter altered we could have alter altered you could have alter altered they could have alter altered	I could have been alter altering you could have been alter altering he could have been alter altering we could have been alter altering you could have been alter altering they could have been alter altering

Negación

Forma simple	Forma con V-ing
I could not alter alter you could not alter alter he could not alter alter we could not alter alter you could not alter alter they could not alter alter	I could not be alter altering you could not be alter altering he could not be alter altering we could not be alter altering you could not be alter altering they could not be alter altering
Perfecto	Perfecto con V-ing
I could not have alter altered you could not have alter altered he could not have alter altered we could not have alter altered you could not have alter altered they could not have alter altered	I could not have been alter altering you could not have been alter altering he could not have been alter altering we could not have been alter altering you could not have been alter altering they could not have been alter altering

Forma interrogativa

Forma simple	Forma con V-ing
could I alter alter? could you alter alter? could he alter alter? could we alter alter? could you alter alter? could they alter alter?	could I be alter altering? could you be alter altering? could he be alter altering? could we be alter altering? could you be alter altering? could they be alter altering?
Perfecto	Perfecto con V-ing
could I have alter altered? could you have alter altered? could he have alter altered? could we have alter altered? could you have alter altered? could they have alter altered?	could I have been alter altering? could you have been alter altering? could he have been alter altering? could we have been alter altering? could you have been alter altering? could they have been alter altering?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not alter alter? could you not alter alter? could he not alter alter? could we not alter alter? could you not alter alter? could they not alter alter?	could I not be alter altering? could you not be alter altering? could he not be alter altering? could we not be alter altering? could you not be alter altering? could they not be alter altering?
Perfecto	Perfecto con V-ing
could I not have alter altered? could you not have alter altered? could he not have alter altered? could we not have alter altered? could you not have alter altered? could they not have alter altered?	could I not have been alter altering? could you not have been alter altering? could he not have been alter altering? could we not have been alter altering? could you not have been alter altering? could they not have been alter altering?