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