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