I must abstract you must abstract she must abstract we must abstract you must abstract they must abstract
Forma con V-ing
I must be abstracting you must be abstracting she must be abstracting we must be abstracting you must be abstracting they must be abstracting
Perfecto
I must have abstracted you must have abstracted she 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 she 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 she 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 she 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 she 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 she 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 she abstract? must we abstract? must you abstract? must they abstract?
Forma con V-ing
must I be abstracting? must you be abstracting? must she be abstracting? must we be abstracting? must you be abstracting? must they be abstracting?
Perfecto
must I have abstracted? must you have abstracted? must she 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 she 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 she 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 she 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 she 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 she have been abstracting? mustn't we have been abstracting? mustn't you have been abstracting? mustn't they have been abstracting?