I must grate you must grate he must grate we must grate you must grate they must grate
Forma com V-ing
I must be grating you must be grating he must be grating we must be grating you must be grating they must be grating
Perfeito
I must have grated you must have grated he must have grated we must have grated you must have grated they must have grated
Perfeito com V-ing
I must have been grating you must have been grating he must have been grating we must have been grating you must have been grating they must have been grating
Negação
Forma simple
I must not grate you must not grate he must not grate we must not grate you must not grate they must not grate
Forma com V-ing
I must not be grating you must not be grating he must not be grating we must not be grating you must not be grating they must not be grating
Perfeito
I must not have grated you must not have grated he must not have grated we must not have grated you must not have grated they must not have grated
Perfeito com V-ing
I must not have been grating you must not have been grating he must not have been grating we must not have been grating you must not have been grating they must not have been grating
Forma interrogativa
Forma simple
must I grate? must you grate? must he grate? must we grate? must you grate? must they grate?
Forma com V-ing
must I be grating? must you be grating? must he be grating? must we be grating? must you be grating? must they be grating?
Perfeito
must I have grated? must you have grated? must he have grated? must we have grated? must you have grated? must they have grated?
Perfeito com V-ing
must I have been grating? must you have been grating? must he have been grating? must we have been grating? must you have been grating? must they have been grating?
Forma interro-Negação
Forma simple
must I not grate? must you not grate? must he not grate? must we not grate? must you not grate? must they not grate?
Forma com V-ing
must I not be grating? must you not be grating? must he not be grating? must we not be grating? must you not be grating? must they not be grating?
Perfeito
must I not have grated? must you not have grated? must he not have grated? must we not have grated? must you not have grated? must they not have grated?
Perfeito com V-ing
must I not have been grating? must you not have been grating? must he not have been grating? must we not have been grating? must you not have been grating? must they not have been grating?