I must return you must return she must return we must return you must return they must return
Forma com V-ing
I must be returning you must be returning she must be returning we must be returning you must be returning they must be returning
Perfeito
I must have returned you must have returned she must have returned we must have returned you must have returned they must have returned
Perfeito com V-ing
I must have been returning you must have been returning she must have been returning we must have been returning you must have been returning they must have been returning
Negação
Forma simple
I must not return you must not return she must not return we must not return you must not return they must not return
Forma com V-ing
I must not be returning you must not be returning she must not be returning we must not be returning you must not be returning they must not be returning
Perfeito
I must not have returned you must not have returned she must not have returned we must not have returned you must not have returned they must not have returned
Perfeito com V-ing
I must not have been returning you must not have been returning she must not have been returning we must not have been returning you must not have been returning they must not have been returning
Forma interrogativa
Forma simple
must I return? must you return? must she return? must we return? must you return? must they return?
Forma com V-ing
must I be returning? must you be returning? must she be returning? must we be returning? must you be returning? must they be returning?
Perfeito
must I have returned? must you have returned? must she have returned? must we have returned? must you have returned? must they have returned?
Perfeito com V-ing
must I have been returning? must you have been returning? must she have been returning? must we have been returning? must you have been returning? must they have been returning?
Forma interro-Negação
Forma simple
must I not return? must you not return? must she not return? must we not return? must you not return? must they not return?
Forma com V-ing
must I not be returning? must you not be returning? must she not be returning? must we not be returning? must you not be returning? must they not be returning?
Perfeito
must I not have returned? must you not have returned? must she not have returned? must we not have returned? must you not have returned? must they not have returned?
Perfeito com V-ing
must I not have been returning? must you not have been returning? must she not have been returning? must we not have been returning? must you not have been returning? must they not have been returning?