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