I must owe you must owe he must owe we must owe you must owe they must owe
Forma com V-ing
I must be owing you must be owing he must be owing we must be owing you must be owing they must be owing
Perfeito
I must have owed you must have owed he must have owed we must have owed you must have owed they must have owed
Perfeito com V-ing
I must have been owing you must have been owing he must have been owing we must have been owing you must have been owing they must have been owing
Negação
Forma simple
I must not owe you must not owe he must not owe we must not owe you must not owe they must not owe
Forma com V-ing
I must not be owing you must not be owing he must not be owing we must not be owing you must not be owing they must not be owing
Perfeito
I must not have owed you must not have owed he must not have owed we must not have owed you must not have owed they must not have owed
Perfeito com V-ing
I must not have been owing you must not have been owing he must not have been owing we must not have been owing you must not have been owing they must not have been owing
Forma interrogativa
Forma simple
must I owe? must you owe? must he owe? must we owe? must you owe? must they owe?
Forma com V-ing
must I be owing? must you be owing? must he be owing? must we be owing? must you be owing? must they be owing?
Perfeito
must I have owed? must you have owed? must he have owed? must we have owed? must you have owed? must they have owed?
Perfeito com V-ing
must I have been owing? must you have been owing? must he have been owing? must we have been owing? must you have been owing? must they have been owing?
Forma interro-Negação
Forma simple
must I not owe? must you not owe? must he not owe? must we not owe? must you not owe? must they not owe?
Forma com V-ing
must I not be owing? must you not be owing? must he not be owing? must we not be owing? must you not be owing? must they not be owing?
Perfeito
must I not have owed? must you not have owed? must he not have owed? must we not have owed? must you not have owed? must they not have owed?
Perfeito com V-ing
must I not have been owing? must you not have been owing? must he not have been owing? must we not have been owing? must you not have been owing? must they not have been owing?