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