I must sweeten you must sweeten he must sweeten we must sweeten you must sweeten they must sweeten
Forma con V-ing
I must be sweetening you must be sweetening he must be sweetening we must be sweetening you must be sweetening they must be sweetening
Perfecto
I must have sweetened you must have sweetened he must have sweetened we must have sweetened you must have sweetened they must have sweetened
Perfecto con V-ing
I must have been sweetening you must have been sweetening he must have been sweetening we must have been sweetening you must have been sweetening they must have been sweetening
Negación
Forma simple
I must not sweeten you must not sweeten he must not sweeten we must not sweeten you must not sweeten they must not sweeten
Forma con V-ing
I must not be sweetening you must not be sweetening he must not be sweetening we must not be sweetening you must not be sweetening they must not be sweetening
Perfecto
I must not have sweetened you must not have sweetened he must not have sweetened we must not have sweetened you must not have sweetened they must not have sweetened
Perfecto con V-ing
I must not have been sweetening you must not have been sweetening he must not have been sweetening we must not have been sweetening you must not have been sweetening they must not have been sweetening
Forma interrogativa
Forma simple
must I sweeten? must you sweeten? must he sweeten? must we sweeten? must you sweeten? must they sweeten?
Forma con V-ing
must I be sweetening? must you be sweetening? must he be sweetening? must we be sweetening? must you be sweetening? must they be sweetening?
Perfecto
must I have sweetened? must you have sweetened? must he have sweetened? must we have sweetened? must you have sweetened? must they have sweetened?
Perfecto con V-ing
must I have been sweetening? must you have been sweetening? must he have been sweetening? must we have been sweetening? must you have been sweetening? must they have been sweetening?
Forma interro-negativa
Forma simple
must I not sweeten? must you not sweeten? must he not sweeten? must we not sweeten? must you not sweeten? must they not sweeten?
Forma con V-ing
must I not be sweetening? must you not be sweetening? must he not be sweetening? must we not be sweetening? must you not be sweetening? must they not be sweetening?
Perfecto
must I not have sweetened? must you not have sweetened? must he not have sweetened? must we not have sweetened? must you not have sweetened? must they not have sweetened?
Perfecto con V-ing
must I not have been sweetening? must you not have been sweetening? must he not have been sweetening? must we not have been sweetening? must you not have been sweetening? must they not have been sweetening?