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