I must unlace you must unlace he must unlace we must unlace you must unlace they must unlace
Forma com V-ing
I must be unlacing you must be unlacing he must be unlacing we must be unlacing you must be unlacing they must be unlacing
Perfeito
I must have unlaced you must have unlaced he must have unlaced we must have unlaced you must have unlaced they must have unlaced
Perfeito com V-ing
I must have been unlacing you must have been unlacing he must have been unlacing we must have been unlacing you must have been unlacing they must have been unlacing
Negação
Forma simple
I mustn't unlace you mustn't unlace he mustn't unlace we mustn't unlace you mustn't unlace they mustn't unlace
Forma com V-ing
I mustn't be unlacing you mustn't be unlacing he mustn't be unlacing we mustn't be unlacing you mustn't be unlacing they mustn't be unlacing
Perfeito
I mustn't have unlaced you mustn't have unlaced he mustn't have unlaced we mustn't have unlaced you mustn't have unlaced they mustn't have unlaced
Perfeito com V-ing
I mustn't have been unlacing you mustn't have been unlacing he mustn't have been unlacing we mustn't have been unlacing you mustn't have been unlacing they mustn't have been unlacing
Forma interrogativa
Forma simple
must I unlace? must you unlace? must he unlace? must we unlace? must you unlace? must they unlace?
Forma com V-ing
must I be unlacing? must you be unlacing? must he be unlacing? must we be unlacing? must you be unlacing? must they be unlacing?
Perfeito
must I have unlaced? must you have unlaced? must he have unlaced? must we have unlaced? must you have unlaced? must they have unlaced?
Perfeito com V-ing
must I have been unlacing? must you have been unlacing? must he have been unlacing? must we have been unlacing? must you have been unlacing? must they have been unlacing?
Forma interro-Negação
Forma simple
mustn't I unlace? mustn't you unlace? mustn't he unlace? mustn't we unlace? mustn't you unlace? mustn't they unlace?
Forma com V-ing
mustn't I be unlacing? mustn't you be unlacing? mustn't he be unlacing? mustn't we be unlacing? mustn't you be unlacing? mustn't they be unlacing?
Perfeito
mustn't I have unlaced? mustn't you have unlaced? mustn't he have unlaced? mustn't we have unlaced? mustn't you have unlaced? mustn't they have unlaced?
Perfeito com V-ing
mustn't I have been unlacing? mustn't you have been unlacing? mustn't he have been unlacing? mustn't we have been unlacing? mustn't you have been unlacing? mustn't they have been unlacing?