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