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