I must acerbate you must acerbate he must acerbate we must acerbate you must acerbate they must acerbate
Forma con V-ing
I must be acerbating you must be acerbating he must be acerbating we must be acerbating you must be acerbating they must be acerbating
Perfecto
I must have acerbated you must have acerbated he must have acerbated we must have acerbated you must have acerbated they must have acerbated
Perfecto con V-ing
I must have been acerbating you must have been acerbating he must have been acerbating we must have been acerbating you must have been acerbating they must have been acerbating
Negación
Forma simple
I mustn't acerbate you mustn't acerbate he mustn't acerbate we mustn't acerbate you mustn't acerbate they mustn't acerbate
Forma con V-ing
I mustn't be acerbating you mustn't be acerbating he mustn't be acerbating we mustn't be acerbating you mustn't be acerbating they mustn't be acerbating
Perfecto
I mustn't have acerbated you mustn't have acerbated he mustn't have acerbated we mustn't have acerbated you mustn't have acerbated they mustn't have acerbated
Perfecto con V-ing
I mustn't have been acerbating you mustn't have been acerbating he mustn't have been acerbating we mustn't have been acerbating you mustn't have been acerbating they mustn't have been acerbating
Forma interrogativa
Forma simple
must I acerbate? must you acerbate? must he acerbate? must we acerbate? must you acerbate? must they acerbate?
Forma con V-ing
must I be acerbating? must you be acerbating? must he be acerbating? must we be acerbating? must you be acerbating? must they be acerbating?
Perfecto
must I have acerbated? must you have acerbated? must he have acerbated? must we have acerbated? must you have acerbated? must they have acerbated?
Perfecto con V-ing
must I have been acerbating? must you have been acerbating? must he have been acerbating? must we have been acerbating? must you have been acerbating? must they have been acerbating?
Forma interro-negativa
Forma simple
mustn't I acerbate? mustn't you acerbate? mustn't he acerbate? mustn't we acerbate? mustn't you acerbate? mustn't they acerbate?
Forma con V-ing
mustn't I be acerbating? mustn't you be acerbating? mustn't he be acerbating? mustn't we be acerbating? mustn't you be acerbating? mustn't they be acerbating?
Perfecto
mustn't I have acerbated? mustn't you have acerbated? mustn't he have acerbated? mustn't we have acerbated? mustn't you have acerbated? mustn't they have acerbated?
Perfecto con V-ing
mustn't I have been acerbating? mustn't you have been acerbating? mustn't he have been acerbating? mustn't we have been acerbating? mustn't you have been acerbating? mustn't they have been acerbating?