I must ballast you must ballast she must ballast we must ballast you must ballast they must ballast
Forma con V-ing
I must be ballasting you must be ballasting she must be ballasting we must be ballasting you must be ballasting they must be ballasting
Perfecto
I must have ballasted you must have ballasted she must have ballasted we must have ballasted you must have ballasted they must have ballasted
Perfecto con V-ing
I must have been ballasting you must have been ballasting she must have been ballasting we must have been ballasting you must have been ballasting they must have been ballasting
Negación
Forma simple
I must not ballast you must not ballast she must not ballast we must not ballast you must not ballast they must not ballast
Forma con V-ing
I must not be ballasting you must not be ballasting she must not be ballasting we must not be ballasting you must not be ballasting they must not be ballasting
Perfecto
I must not have ballasted you must not have ballasted she must not have ballasted we must not have ballasted you must not have ballasted they must not have ballasted
Perfecto con V-ing
I must not have been ballasting you must not have been ballasting she must not have been ballasting we must not have been ballasting you must not have been ballasting they must not have been ballasting
Forma interrogativa
Forma simple
must I ballast? must you ballast? must she ballast? must we ballast? must you ballast? must they ballast?
Forma con V-ing
must I be ballasting? must you be ballasting? must she be ballasting? must we be ballasting? must you be ballasting? must they be ballasting?
Perfecto
must I have ballasted? must you have ballasted? must she have ballasted? must we have ballasted? must you have ballasted? must they have ballasted?
Perfecto con V-ing
must I have been ballasting? must you have been ballasting? must she have been ballasting? must we have been ballasting? must you have been ballasting? must they have been ballasting?
Forma interro-negativa
Forma simple
must I not ballast? must you not ballast? must she not ballast? must we not ballast? must you not ballast? must they not ballast?
Forma con V-ing
must I not be ballasting? must you not be ballasting? must she not be ballasting? must we not be ballasting? must you not be ballasting? must they not be ballasting?
Perfecto
must I not have ballasted? must you not have ballasted? must she not have ballasted? must we not have ballasted? must you not have ballasted? must they not have ballasted?
Perfecto con V-ing
must I not have been ballasting? must you not have been ballasting? must she not have been ballasting? must we not have been ballasting? must you not have been ballasting? must they not have been ballasting?