I'll be howling you'll be howling he'll be howling we'll be howling you'll be howling they'll be howling
Perfecto
I'll have howled you'll have howled he'll have howled we'll have howled you'll have howled they'll have howled
Perfecto con V-ing
I'll have been howling you'll have been howling he'll have been howling we'll have been howling you'll have been howling they'll have been howling
Negación
Forma simple
I shan't howl you shan't howl he shan't howl we shan't howl you shan't howl they shan't howl
Forma con V-ing
I shan't be howling you shan't be howling he shan't be howling we shan't be howling you shan't be howling they shan't be howling
Perfecto
I shan't have howled you shan't have howled he shan't have howled we shan't have howled you shan't have howled they shan't have howled
Perfecto con V-ing
I shan't have been howling you shan't have been howling he shan't have been howling we shan't have been howling you shan't have been howling they shan't have been howling
Forma interrogativa
Forma simple
shall I howl? shall you howl? shall he howl? shall we howl? shall you howl? shall they howl?
Forma con V-ing
shall I be howling? shall you be howling? shall he be howling? shall we be howling? shall you be howling? shall they be howling?
Perfecto
shall I have howled? shall you have howled? shall he have howled? shall we have howled? shall you have howled? shall they have howled?
Perfecto con V-ing
shall I have been howling? shall you have been howling? shall he have been howling? shall we have been howling? shall you have been howling? shall they have been howling?
Forma interro-negativa
Forma simple
shan't I howl? shan't you howl? shan't he howl? shan't we howl? shan't you howl? shan't they howl?
Forma con V-ing
shan't I be howling? shan't you be howling? shan't he be howling? shan't we be howling? shan't you be howling? shan't they be howling?
Perfecto
shan't I have howled? shan't you have howled? shan't he have howled? shan't we have howled? shan't you have howled? shan't they have howled?
Perfecto con V-ing
shan't I have been howling? shan't you have been howling? shan't he have been howling? shan't we have been howling? shan't you have been howling? shan't they have been howling?