I must stem you must stem he must stem we must stem you must stem they must stem
Forma com V-ing
I must be stemming you must be stemming he must be stemming we must be stemming you must be stemming they must be stemming
Perfeito
I must have stemmed you must have stemmed he must have stemmed we must have stemmed you must have stemmed they must have stemmed
Perfeito com V-ing
I must have been stemming you must have been stemming he must have been stemming we must have been stemming you must have been stemming they must have been stemming
Negação
Forma simple
I must not stem you must not stem he must not stem we must not stem you must not stem they must not stem
Forma com V-ing
I must not be stemming you must not be stemming he must not be stemming we must not be stemming you must not be stemming they must not be stemming
Perfeito
I must not have stemmed you must not have stemmed he must not have stemmed we must not have stemmed you must not have stemmed they must not have stemmed
Perfeito com V-ing
I must not have been stemming you must not have been stemming he must not have been stemming we must not have been stemming you must not have been stemming they must not have been stemming
Forma interrogativa
Forma simple
must I stem? must you stem? must he stem? must we stem? must you stem? must they stem?
Forma com V-ing
must I be stemming? must you be stemming? must he be stemming? must we be stemming? must you be stemming? must they be stemming?
Perfeito
must I have stemmed? must you have stemmed? must he have stemmed? must we have stemmed? must you have stemmed? must they have stemmed?
Perfeito com V-ing
must I have been stemming? must you have been stemming? must he have been stemming? must we have been stemming? must you have been stemming? must they have been stemming?
Forma interro-Negação
Forma simple
must I not stem? must you not stem? must he not stem? must we not stem? must you not stem? must they not stem?
Forma com V-ing
must I not be stemming? must you not be stemming? must he not be stemming? must we not be stemming? must you not be stemming? must they not be stemming?
Perfeito
must I not have stemmed? must you not have stemmed? must he not have stemmed? must we not have stemmed? must you not have stemmed? must they not have stemmed?
Perfeito com V-ing
must I not have been stemming? must you not have been stemming? must he not have been stemming? must we not have been stemming? must you not have been stemming? must they not have been stemming?