I must prowl you must prowl she must prowl we must prowl you must prowl they must prowl
Forma con V-ing
I must be prowling you must be prowling she must be prowling we must be prowling you must be prowling they must be prowling
Perfecto
I must have prowled you must have prowled she 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 she 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 she 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 she 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 she 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 she 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 she prowl? must we prowl? must you prowl? must they prowl?
Forma con V-ing
must I be prowling? must you be prowling? must she be prowling? must we be prowling? must you be prowling? must they be prowling?
Perfecto
must I have prowled? must you have prowled? must she 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 she 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 she 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 she 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 she 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 she have been prowling? mustn't we have been prowling? mustn't you have been prowling? mustn't they have been prowling?