I must do you must do she must do we must do you must do they must do
Forma com V-ing
I must be doing you must be doing she must be doing we must be doing you must be doing they must be doing
Perfeito
I must have done you must have done she must have done we must have done you must have done they must have done
Perfeito com V-ing
I must have been doing you must have been doing she must have been doing we must have been doing you must have been doing they must have been doing
Negação
Forma simple
I must not do you must not do she must not do we must not do you must not do they must not do
Forma com V-ing
I must not be doing you must not be doing she must not be doing we must not be doing you must not be doing they must not be doing
Perfeito
I must not have done you must not have done she must not have done we must not have done you must not have done they must not have done
Perfeito com V-ing
I must not have been doing you must not have been doing she must not have been doing we must not have been doing you must not have been doing they must not have been doing
Forma interrogativa
Forma simple
must I do? must you do? must she do? must we do? must you do? must they do?
Forma com V-ing
must I be doing? must you be doing? must she be doing? must we be doing? must you be doing? must they be doing?
Perfeito
must I have done? must you have done? must she have done? must we have done? must you have done? must they have done?
Perfeito com V-ing
must I have been doing? must you have been doing? must she have been doing? must we have been doing? must you have been doing? must they have been doing?
Forma interro-Negação
Forma simple
must I not do? must you not do? must she not do? must we not do? must you not do? must they not do?
Forma com V-ing
must I not be doing? must you not be doing? must she not be doing? must we not be doing? must you not be doing? must they not be doing?
Perfeito
must I not have done? must you not have done? must she not have done? must we not have done? must you not have done? must they not have done?
Perfeito com V-ing
must I not have been doing? must you not have been doing? must she not have been doing? must we not have been doing? must you not have been doing? must they not have been doing?