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