I must clutter you must clutter she must clutter we must clutter you must clutter they must clutter
Forma con V-ing
I must be cluttering you must be cluttering she must be cluttering we must be cluttering you must be cluttering they must be cluttering
Perfecto
I must have cluttered you must have cluttered she must have cluttered we must have cluttered you must have cluttered they must have cluttered
Perfecto con V-ing
I must have been cluttering you must have been cluttering she must have been cluttering we must have been cluttering you must have been cluttering they must have been cluttering
Negación
Forma simple
I mustn't clutter you mustn't clutter she mustn't clutter we mustn't clutter you mustn't clutter they mustn't clutter
Forma con V-ing
I mustn't be cluttering you mustn't be cluttering she mustn't be cluttering we mustn't be cluttering you mustn't be cluttering they mustn't be cluttering
Perfecto
I mustn't have cluttered you mustn't have cluttered she mustn't have cluttered we mustn't have cluttered you mustn't have cluttered they mustn't have cluttered
Perfecto con V-ing
I mustn't have been cluttering you mustn't have been cluttering she mustn't have been cluttering we mustn't have been cluttering you mustn't have been cluttering they mustn't have been cluttering
Forma interrogativa
Forma simple
must I clutter? must you clutter? must she clutter? must we clutter? must you clutter? must they clutter?
Forma con V-ing
must I be cluttering? must you be cluttering? must she be cluttering? must we be cluttering? must you be cluttering? must they be cluttering?
Perfecto
must I have cluttered? must you have cluttered? must she have cluttered? must we have cluttered? must you have cluttered? must they have cluttered?
Perfecto con V-ing
must I have been cluttering? must you have been cluttering? must she have been cluttering? must we have been cluttering? must you have been cluttering? must they have been cluttering?
Forma interro-negativa
Forma simple
mustn't I clutter? mustn't you clutter? mustn't she clutter? mustn't we clutter? mustn't you clutter? mustn't they clutter?
Forma con V-ing
mustn't I be cluttering? mustn't you be cluttering? mustn't she be cluttering? mustn't we be cluttering? mustn't you be cluttering? mustn't they be cluttering?
Perfecto
mustn't I have cluttered? mustn't you have cluttered? mustn't she have cluttered? mustn't we have cluttered? mustn't you have cluttered? mustn't they have cluttered?
Perfecto con V-ing
mustn't I have been cluttering? mustn't you have been cluttering? mustn't she have been cluttering? mustn't we have been cluttering? mustn't you have been cluttering? mustn't they have been cluttering?