I must retire you must retire she must retire we must retire you must retire they must retire
Forma com V-ing
I must be retiring you must be retiring she must be retiring we must be retiring you must be retiring they must be retiring
Perfeito
I must have retired you must have retired she must have retired we must have retired you must have retired they must have retired
Perfeito com V-ing
I must have been retiring you must have been retiring she must have been retiring we must have been retiring you must have been retiring they must have been retiring
Negação
Forma simple
I must not retire you must not retire she must not retire we must not retire you must not retire they must not retire
Forma com V-ing
I must not be retiring you must not be retiring she must not be retiring we must not be retiring you must not be retiring they must not be retiring
Perfeito
I must not have retired you must not have retired she must not have retired we must not have retired you must not have retired they must not have retired
Perfeito com V-ing
I must not have been retiring you must not have been retiring she must not have been retiring we must not have been retiring you must not have been retiring they must not have been retiring
Forma interrogativa
Forma simple
must I retire? must you retire? must she retire? must we retire? must you retire? must they retire?
Forma com V-ing
must I be retiring? must you be retiring? must she be retiring? must we be retiring? must you be retiring? must they be retiring?
Perfeito
must I have retired? must you have retired? must she have retired? must we have retired? must you have retired? must they have retired?
Perfeito com V-ing
must I have been retiring? must you have been retiring? must she have been retiring? must we have been retiring? must you have been retiring? must they have been retiring?
Forma interro-Negação
Forma simple
must I not retire? must you not retire? must she not retire? must we not retire? must you not retire? must they not retire?
Forma com V-ing
must I not be retiring? must you not be retiring? must she not be retiring? must we not be retiring? must you not be retiring? must they not be retiring?
Perfeito
must I not have retired? must you not have retired? must she not have retired? must we not have retired? must you not have retired? must they not have retired?
Perfeito com V-ing
must I not have been retiring? must you not have been retiring? must she not have been retiring? must we not have been retiring? must you not have been retiring? must they not have been retiring?