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