Conjugación del verbo inglés
SHOULD ALTER

Verbo regular: alter - altered - altered

Afirmación

Forma simple	Forma con V-ing
I'd alter you'd alter he'd alter we'd alter you'd alter they'd alter	I'd be altering you'd be altering he'd be altering we'd be altering you'd be altering they'd be altering
Perfecto	Perfecto con V-ing
I should've altered you should've altered he should've altered we should've altered you should've altered they should've altered	I should've been altering you should've been altering he should've been altering we should've been altering you should've been altering they should've been altering

Negación

Forma simple	Forma con V-ing
I shouldn't alter you shouldn't alter he shouldn't alter we shouldn't alter you shouldn't alter they shouldn't alter	I shouldn't be altering you shouldn't be altering he shouldn't be altering we shouldn't be altering you shouldn't be altering they shouldn't be altering
Perfecto	Perfecto con V-ing
I shouldn't have altered you shouldn't have altered he shouldn't have altered we shouldn't have altered you shouldn't have altered they shouldn't have altered	I shouldn't have been altering you shouldn't have been altering he shouldn't have been altering we shouldn't have been altering you shouldn't have been altering they shouldn't have been altering

Forma interrogativa

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

Forma interro-negativa

Forma simple	Forma con V-ing
shouldn't I alter? shouldn't you alter? shouldn't he alter? shouldn't we alter? shouldn't you alter? shouldn't they alter?	shouldn't I be altering? shouldn't you be altering? shouldn't he be altering? shouldn't we be altering? shouldn't you be altering? shouldn't they be altering?
Perfecto	Perfecto con V-ing
shouldn't I have altered? shouldn't you have altered? shouldn't he have altered? shouldn't we have altered? shouldn't you have altered? shouldn't they have altered?	shouldn't I have been altering? shouldn't you have been altering? shouldn't he have been altering? shouldn't we have been altering? shouldn't you have been altering? shouldn't they have been altering?