I must aid you must aid he must aid we must aid you must aid they must aid
Forma com V-ing
I must be aiding you must be aiding he must be aiding we must be aiding you must be aiding they must be aiding
Perfeito
I must have aided you must have aided he must have aided we must have aided you must have aided they must have aided
Perfeito com V-ing
I must have been aiding you must have been aiding he must have been aiding we must have been aiding you must have been aiding they must have been aiding
Negação
Forma simple
I must not aid you must not aid he must not aid we must not aid you must not aid they must not aid
Forma com V-ing
I must not be aiding you must not be aiding he must not be aiding we must not be aiding you must not be aiding they must not be aiding
Perfeito
I must not have aided you must not have aided he must not have aided we must not have aided you must not have aided they must not have aided
Perfeito com V-ing
I must not have been aiding you must not have been aiding he must not have been aiding we must not have been aiding you must not have been aiding they must not have been aiding
Forma interrogativa
Forma simple
must I aid? must you aid? must he aid? must we aid? must you aid? must they aid?
Forma com V-ing
must I be aiding? must you be aiding? must he be aiding? must we be aiding? must you be aiding? must they be aiding?
Perfeito
must I have aided? must you have aided? must he have aided? must we have aided? must you have aided? must they have aided?
Perfeito com V-ing
must I have been aiding? must you have been aiding? must he have been aiding? must we have been aiding? must you have been aiding? must they have been aiding?
Forma interro-Negação
Forma simple
must I not aid? must you not aid? must he not aid? must we not aid? must you not aid? must they not aid?
Forma com V-ing
must I not be aiding? must you not be aiding? must he not be aiding? must we not be aiding? must you not be aiding? must they not be aiding?
Perfeito
must I not have aided? must you not have aided? must he not have aided? must we not have aided? must you not have aided? must they not have aided?
Perfeito com V-ing
must I not have been aiding? must you not have been aiding? must he not have been aiding? must we not have been aiding? must you not have been aiding? must they not have been aiding?