I must perfect you must perfect he must perfect we must perfect you must perfect they must perfect
Forma con V-ing
I must be perfecting you must be perfecting he must be perfecting we must be perfecting you must be perfecting they must be perfecting
Perfetto
I must have perfected you must have perfected he must have perfected we must have perfected you must have perfected they must have perfected
Perfetto con V-ing
I must have been perfecting you must have been perfecting he must have been perfecting we must have been perfecting you must have been perfecting they must have been perfecting
Negazione
Forma semplice
I mustn't perfect you mustn't perfect he mustn't perfect we mustn't perfect you mustn't perfect they mustn't perfect
Forma con V-ing
I mustn't be perfecting you mustn't be perfecting he mustn't be perfecting we mustn't be perfecting you mustn't be perfecting they mustn't be perfecting
Perfetto
I mustn't have perfected you mustn't have perfected he mustn't have perfected we mustn't have perfected you mustn't have perfected they mustn't have perfected
Perfetto con V-ing
I mustn't have been perfecting you mustn't have been perfecting he mustn't have been perfecting we mustn't have been perfecting you mustn't have been perfecting they mustn't have been perfecting
Forma interrogativa
Forma semplice
must I perfect? must you perfect? must he perfect? must we perfect? must you perfect? must they perfect?
Forma con V-ing
must I be perfecting? must you be perfecting? must he be perfecting? must we be perfecting? must you be perfecting? must they be perfecting?
Perfetto
must I have perfected? must you have perfected? must he have perfected? must we have perfected? must you have perfected? must they have perfected?
Perfetto con V-ing
must I have been perfecting? must you have been perfecting? must he have been perfecting? must we have been perfecting? must you have been perfecting? must they have been perfecting?
Forma interro-negativa
Forma semplice
mustn't I perfect? mustn't you perfect? mustn't he perfect? mustn't we perfect? mustn't you perfect? mustn't they perfect?
Forma con V-ing
mustn't I be perfecting? mustn't you be perfecting? mustn't he be perfecting? mustn't we be perfecting? mustn't you be perfecting? mustn't they be perfecting?
Perfetto
mustn't I have perfected? mustn't you have perfected? mustn't he have perfected? mustn't we have perfected? mustn't you have perfected? mustn't they have perfected?
Perfetto con V-ing
mustn't I have been perfecting? mustn't you have been perfecting? mustn't he have been perfecting? mustn't we have been perfecting? mustn't you have been perfecting? mustn't they have been perfecting?