I must purify you must purify he must purify we must purify you must purify they must purify
Forma com V-ing
I must be purifying you must be purifying he must be purifying we must be purifying you must be purifying they must be purifying
Perfeito
I must have purified you must have purified he must have purified we must have purified you must have purified they must have purified
Perfeito com V-ing
I must have been purifying you must have been purifying he must have been purifying we must have been purifying you must have been purifying they must have been purifying
Negação
Forma simple
I mustn't purify you mustn't purify he mustn't purify we mustn't purify you mustn't purify they mustn't purify
Forma com V-ing
I mustn't be purifying you mustn't be purifying he mustn't be purifying we mustn't be purifying you mustn't be purifying they mustn't be purifying
Perfeito
I mustn't have purified you mustn't have purified he mustn't have purified we mustn't have purified you mustn't have purified they mustn't have purified
Perfeito com V-ing
I mustn't have been purifying you mustn't have been purifying he mustn't have been purifying we mustn't have been purifying you mustn't have been purifying they mustn't have been purifying
Forma interrogativa
Forma simple
must I purify? must you purify? must he purify? must we purify? must you purify? must they purify?
Forma com V-ing
must I be purifying? must you be purifying? must he be purifying? must we be purifying? must you be purifying? must they be purifying?
Perfeito
must I have purified? must you have purified? must he have purified? must we have purified? must you have purified? must they have purified?
Perfeito com V-ing
must I have been purifying? must you have been purifying? must he have been purifying? must we have been purifying? must you have been purifying? must they have been purifying?
Forma interro-Negação
Forma simple
mustn't I purify? mustn't you purify? mustn't he purify? mustn't we purify? mustn't you purify? mustn't they purify?
Forma com V-ing
mustn't I be purifying? mustn't you be purifying? mustn't he be purifying? mustn't we be purifying? mustn't you be purifying? mustn't they be purifying?
Perfeito
mustn't I have purified? mustn't you have purified? mustn't he have purified? mustn't we have purified? mustn't you have purified? mustn't they have purified?
Perfeito com V-ing
mustn't I have been purifying? mustn't you have been purifying? mustn't he have been purifying? mustn't we have been purifying? mustn't you have been purifying? mustn't they have been purifying?