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