Conjugación del verbo inglés
MUST RETIRE

Verbo regular: retire - retired - retired

Afirmación

Forma simple	Forma con V-ing
I must retire you must retire he must retire we must retire you must retire they must retire	I must be retiring you must be retiring he must be retiring we must be retiring you must be retiring they must be retiring
Perfecto	Perfecto con V-ing
I must have retired you must have retired he must have retired we must have retired you must have retired they must have retired	I must have been retiring you must have been retiring he must have been retiring we must have been retiring you must have been retiring they must have been retiring

Negación

Forma simple	Forma con V-ing
I must not retire you must not retire he must not retire we must not retire you must not retire they must not retire	I must not be retiring you must not be retiring he must not be retiring we must not be retiring you must not be retiring they must not be retiring
Perfecto	Perfecto con V-ing
I must not have retired you must not have retired he must not have retired we must not have retired you must not have retired they must not have retired	I must not have been retiring you must not have been retiring he 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	Forma con V-ing
must I retire? must you retire? must he retire? must we retire? must you retire? must they retire?	must I be retiring? must you be retiring? must he be retiring? must we be retiring? must you be retiring? must they be retiring?
Perfecto	Perfecto con V-ing
must I have retired? must you have retired? must he have retired? must we have retired? must you have retired? must they have retired?	must I have been retiring? must you have been retiring? must he have been retiring? must we have been retiring? must you have been retiring? must they have been retiring?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not retire? must you not retire? must he not retire? must we not retire? must you not retire? must they not retire?	must I not be retiring? must you not be retiring? must he not be retiring? must we not be retiring? must you not be retiring? must they not be retiring?
Perfecto	Perfecto con V-ing
must I not have retired? must you not have retired? must he not have retired? must we not have retired? must you not have retired? must they not have retired?	must I not have been retiring? must you not have been retiring? must he not have been retiring? must we not have been retiring? must you not have been retiring? must they not have been retiring?