I must purify you must purify she must purify we must purify you must purify they must purify
Forma com V-ing
I must be purifying you must be purifying she must be purifying we must be purifying you must be purifying they must be purifying
Perfeito
I must have purified you must have purified she 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 she must have been purifying we must have been purifying you must have been purifying they must have been purifying
Negação
Forma simple
I must not purify you must not purify she must not purify we must not purify you must not purify they must not purify
Forma com V-ing
I must not be purifying you must not be purifying she must not be purifying we must not be purifying you must not be purifying they must not be purifying
Perfeito
I must not have purified you must not have purified she must not have purified we must not have purified you must not have purified they must not have purified
Perfeito com V-ing
I must not have been purifying you must not have been purifying she must not have been purifying we must not have been purifying you must not have been purifying they must not have been purifying
Forma interrogativa
Forma simple
must I purify? must you purify? must she purify? must we purify? must you purify? must they purify?
Forma com V-ing
must I be purifying? must you be purifying? must she be purifying? must we be purifying? must you be purifying? must they be purifying?
Perfeito
must I have purified? must you have purified? must she 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 she have been purifying? must we have been purifying? must you have been purifying? must they have been purifying?
Forma interro-Negação
Forma simple
must I not purify? must you not purify? must she not purify? must we not purify? must you not purify? must they not purify?
Forma com V-ing
must I not be purifying? must you not be purifying? must she not be purifying? must we not be purifying? must you not be purifying? must they not be purifying?
Perfeito
must I not have purified? must you not have purified? must she not have purified? must we not have purified? must you not have purified? must they not have purified?
Perfeito com V-ing
must I not have been purifying? must you not have been purifying? must she not have been purifying? must we not have been purifying? must you not have been purifying? must they not have been purifying?