I must scan you must scan he must scan we must scan you must scan they must scan
Forma com V-ing
I must be scanning you must be scanning he must be scanning we must be scanning you must be scanning they must be scanning
Perfeito
I must have scanned you must have scanned he must have scanned we must have scanned you must have scanned they must have scanned
Perfeito com V-ing
I must have been scanning you must have been scanning he must have been scanning we must have been scanning you must have been scanning they must have been scanning
Negação
Forma simple
I must not scan you must not scan he must not scan we must not scan you must not scan they must not scan
Forma com V-ing
I must not be scanning you must not be scanning he must not be scanning we must not be scanning you must not be scanning they must not be scanning
Perfeito
I must not have scanned you must not have scanned he must not have scanned we must not have scanned you must not have scanned they must not have scanned
Perfeito com V-ing
I must not have been scanning you must not have been scanning he must not have been scanning we must not have been scanning you must not have been scanning they must not have been scanning
Forma interrogativa
Forma simple
must I scan? must you scan? must he scan? must we scan? must you scan? must they scan?
Forma com V-ing
must I be scanning? must you be scanning? must he be scanning? must we be scanning? must you be scanning? must they be scanning?
Perfeito
must I have scanned? must you have scanned? must he have scanned? must we have scanned? must you have scanned? must they have scanned?
Perfeito com V-ing
must I have been scanning? must you have been scanning? must he have been scanning? must we have been scanning? must you have been scanning? must they have been scanning?
Forma interro-Negação
Forma simple
must I not scan? must you not scan? must he not scan? must we not scan? must you not scan? must they not scan?
Forma com V-ing
must I not be scanning? must you not be scanning? must he not be scanning? must we not be scanning? must you not be scanning? must they not be scanning?
Perfeito
must I not have scanned? must you not have scanned? must he not have scanned? must we not have scanned? must you not have scanned? must they not have scanned?
Perfeito com V-ing
must I not have been scanning? must you not have been scanning? must he not have been scanning? must we not have been scanning? must you not have been scanning? must they not have been scanning?