I must aver you must aver he must aver we must aver you must aver they must aver
Forma com V-ing
I must be averring you must be averring he must be averring we must be averring you must be averring they must be averring
Perfeito
I must have averred you must have averred he must have averred we must have averred you must have averred they must have averred
Perfeito com V-ing
I must have been averring you must have been averring he must have been averring we must have been averring you must have been averring they must have been averring
Negação
Forma simple
I mustn't aver you mustn't aver he mustn't aver we mustn't aver you mustn't aver they mustn't aver
Forma com V-ing
I mustn't be averring you mustn't be averring he mustn't be averring we mustn't be averring you mustn't be averring they mustn't be averring
Perfeito
I mustn't have averred you mustn't have averred he mustn't have averred we mustn't have averred you mustn't have averred they mustn't have averred
Perfeito com V-ing
I mustn't have been averring you mustn't have been averring he mustn't have been averring we mustn't have been averring you mustn't have been averring they mustn't have been averring
Forma interrogativa
Forma simple
must I aver? must you aver? must he aver? must we aver? must you aver? must they aver?
Forma com V-ing
must I be averring? must you be averring? must he be averring? must we be averring? must you be averring? must they be averring?
Perfeito
must I have averred? must you have averred? must he have averred? must we have averred? must you have averred? must they have averred?
Perfeito com V-ing
must I have been averring? must you have been averring? must he have been averring? must we have been averring? must you have been averring? must they have been averring?
Forma interro-Negação
Forma simple
mustn't I aver? mustn't you aver? mustn't he aver? mustn't we aver? mustn't you aver? mustn't they aver?
Forma com V-ing
mustn't I be averring? mustn't you be averring? mustn't he be averring? mustn't we be averring? mustn't you be averring? mustn't they be averring?
Perfeito
mustn't I have averred? mustn't you have averred? mustn't he have averred? mustn't we have averred? mustn't you have averred? mustn't they have averred?
Perfeito com V-ing
mustn't I have been averring? mustn't you have been averring? mustn't he have been averring? mustn't we have been averring? mustn't you have been averring? mustn't they have been averring?