I must classify you must classify he must classify we must classify you must classify they must classify
Forma com V-ing
I must be classifying you must be classifying he must be classifying we must be classifying you must be classifying they must be classifying
Perfeito
I must have classified you must have classified he must have classified we must have classified you must have classified they must have classified
Perfeito com V-ing
I must have been classifying you must have been classifying he must have been classifying we must have been classifying you must have been classifying they must have been classifying
Negação
Forma simple
I mustn't classify you mustn't classify he mustn't classify we mustn't classify you mustn't classify they mustn't classify
Forma com V-ing
I mustn't be classifying you mustn't be classifying he mustn't be classifying we mustn't be classifying you mustn't be classifying they mustn't be classifying
Perfeito
I mustn't have classified you mustn't have classified he mustn't have classified we mustn't have classified you mustn't have classified they mustn't have classified
Perfeito com V-ing
I mustn't have been classifying you mustn't have been classifying he mustn't have been classifying we mustn't have been classifying you mustn't have been classifying they mustn't have been classifying
Forma interrogativa
Forma simple
must I classify? must you classify? must he classify? must we classify? must you classify? must they classify?
Forma com V-ing
must I be classifying? must you be classifying? must he be classifying? must we be classifying? must you be classifying? must they be classifying?
Perfeito
must I have classified? must you have classified? must he have classified? must we have classified? must you have classified? must they have classified?
Perfeito com V-ing
must I have been classifying? must you have been classifying? must he have been classifying? must we have been classifying? must you have been classifying? must they have been classifying?
Forma interro-Negação
Forma simple
mustn't I classify? mustn't you classify? mustn't he classify? mustn't we classify? mustn't you classify? mustn't they classify?
Forma com V-ing
mustn't I be classifying? mustn't you be classifying? mustn't he be classifying? mustn't we be classifying? mustn't you be classifying? mustn't they be classifying?
Perfeito
mustn't I have classified? mustn't you have classified? mustn't he have classified? mustn't we have classified? mustn't you have classified? mustn't they have classified?
Perfeito com V-ing
mustn't I have been classifying? mustn't you have been classifying? mustn't he have been classifying? mustn't we have been classifying? mustn't you have been classifying? mustn't they have been classifying?