I should howl you should howl he should howl we should howl you should howl they should howl
Forma con V-ing
I should be howling you should be howling he should be howling we should be howling you should be howling they should be howling
Perfecto
I should have howled you should have howled he should have howled we should have howled you should have howled they should have howled
Perfecto con V-ing
I should have been howling you should have been howling he should have been howling we should have been howling you should have been howling they should have been howling
Negación
Forma simple
I should not howl you should not howl he should not howl we should not howl you should not howl they should not howl
Forma con V-ing
I should not be howling you should not be howling he should not be howling we should not be howling you should not be howling they should not be howling
Perfecto
I should not have howled you should not have howled he should not have howled we should not have howled you should not have howled they should not have howled
Perfecto con V-ing
I should not have been howling you should not have been howling he should not have been howling we should not have been howling you should not have been howling they should not have been howling
Forma interrogativa
Forma simple
should I howl? should you howl? should he howl? should we howl? should you howl? should they howl?
Forma con V-ing
should I be howling? should you be howling? should he be howling? should we be howling? should you be howling? should they be howling?
Perfecto
should I have howled? should you have howled? should he have howled? should we have howled? should you have howled? should they have howled?
Perfecto con V-ing
should I have been howling? should you have been howling? should he have been howling? should we have been howling? should you have been howling? should they have been howling?
Forma interro-negativa
Forma simple
should I not howl? should you not howl? should he not howl? should we not howl? should you not howl? should they not howl?
Forma con V-ing
should I not be howling? should you not be howling? should he not be howling? should we not be howling? should you not be howling? should they not be howling?
Perfecto
should I not have howled? should you not have howled? should he not have howled? should we not have howled? should you not have howled? should they not have howled?
Perfecto con V-ing
should I not have been howling? should you not have been howling? should he not have been howling? should we not have been howling? should you not have been howling? should they not have been howling?