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