I must suck you must suck he must suck we must suck you must suck they must suck
Forma com V-ing
I must be sucking you must be sucking he must be sucking we must be sucking you must be sucking they must be sucking
Perfeito
I must have sucked you must have sucked he must have sucked we must have sucked you must have sucked they must have sucked
Perfeito com V-ing
I must have been sucking you must have been sucking he must have been sucking we must have been sucking you must have been sucking they must have been sucking
Negação
Forma simple
I must not suck you must not suck he must not suck we must not suck you must not suck they must not suck
Forma com V-ing
I must not be sucking you must not be sucking he must not be sucking we must not be sucking you must not be sucking they must not be sucking
Perfeito
I must not have sucked you must not have sucked he must not have sucked we must not have sucked you must not have sucked they must not have sucked
Perfeito com V-ing
I must not have been sucking you must not have been sucking he must not have been sucking we must not have been sucking you must not have been sucking they must not have been sucking
Forma interrogativa
Forma simple
must I suck? must you suck? must he suck? must we suck? must you suck? must they suck?
Forma com V-ing
must I be sucking? must you be sucking? must he be sucking? must we be sucking? must you be sucking? must they be sucking?
Perfeito
must I have sucked? must you have sucked? must he have sucked? must we have sucked? must you have sucked? must they have sucked?
Perfeito com V-ing
must I have been sucking? must you have been sucking? must he have been sucking? must we have been sucking? must you have been sucking? must they have been sucking?
Forma interro-Negação
Forma simple
must I not suck? must you not suck? must he not suck? must we not suck? must you not suck? must they not suck?
Forma com V-ing
must I not be sucking? must you not be sucking? must he not be sucking? must we not be sucking? must you not be sucking? must they not be sucking?
Perfeito
must I not have sucked? must you not have sucked? must he not have sucked? must we not have sucked? must you not have sucked? must they not have sucked?
Perfeito com V-ing
must I not have been sucking? must you not have been sucking? must he not have been sucking? must we not have been sucking? must you not have been sucking? must they not have been sucking?