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