Conjugaison du verbe anglais
COULD ALTER ALTER

Verbe régulier : alter alter - alter altered - alter altered

Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.

Affirmation

Forme simple	Forme en V-ing
I could alter alter you could alter alter she 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 she could be alter altering we could be alter altering you could be alter altering they could be alter altering
Perfect	Perfect en V-ing
I could have alter altered you could have alter altered she 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 she could have been alter altering we could have been alter altering you could have been alter altering they could have been alter altering

Négation

Forme simple	Forme en V-ing
I could not alter alter you could not alter alter she 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 she could not be alter altering we could not be alter altering you could not be alter altering they could not be alter altering
Perfect	Perfect en V-ing
I could not have alter altered you could not have alter altered she 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 she 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

Forme interrogative

Forme simple	Forme en V-ing
could I alter alter? could you alter alter? could she 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 she be alter altering? could we be alter altering? could you be alter altering? could they be alter altering?
Perfect	Perfect en V-ing
could I have alter altered? could you have alter altered? could she 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 she have been alter altering? could we have been alter altering? could you have been alter altering? could they have been alter altering?

Forme interro-négative

Forme simple	Forme en V-ing
could I not alter alter? could you not alter alter? could she 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 she not be alter altering? could we not be alter altering? could you not be alter altering? could they not be alter altering?
Perfect	Perfect en V-ing
could I not have alter altered? could you not have alter altered? could she 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 she 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?