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