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