I'd be howling you'd be howling he'd be howling we'd be howling you'd be howling they'd be howling
Perfecto
I should've howled you should've howled he should've howled we should've howled you should've howled they should've howled
Perfecto con V-ing
I should've been howling you should've been howling he should've been howling we should've been howling you should've been howling they should've been howling
Negación
Forma simple
I shouldn't howl you shouldn't howl he shouldn't howl we shouldn't howl you shouldn't howl they shouldn't howl
Forma con V-ing
I shouldn't be howling you shouldn't be howling he shouldn't be howling we shouldn't be howling you shouldn't be howling they shouldn't be howling
Perfecto
I shouldn't have howled you shouldn't have howled he shouldn't have howled we shouldn't have howled you shouldn't have howled they shouldn't have howled
Perfecto con V-ing
I shouldn't have been howling you shouldn't have been howling he shouldn't have been howling we shouldn't have been howling you shouldn't have been howling they shouldn't 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
shouldn't I howl? shouldn't you howl? shouldn't he howl? shouldn't we howl? shouldn't you howl? shouldn't they howl?
Forma con V-ing
shouldn't I be howling? shouldn't you be howling? shouldn't he be howling? shouldn't we be howling? shouldn't you be howling? shouldn't they be howling?
Perfecto
shouldn't I have howled? shouldn't you have howled? shouldn't he have howled? shouldn't we have howled? shouldn't you have howled? shouldn't they have howled?
Perfecto con V-ing
shouldn't I have been howling? shouldn't you have been howling? shouldn't he have been howling? shouldn't we have been howling? shouldn't you have been howling? shouldn't they have been howling?