I must vie you must vie she must vie we must vie you must vie they must vie
Forma con V-ing
I must be vying you must be vying she must be vying we must be vying you must be vying they must be vying
Perfecto
I must have vied you must have vied she must have vied we must have vied you must have vied they must have vied
Perfecto con V-ing
I must have been vying you must have been vying she must have been vying we must have been vying you must have been vying they must have been vying
Negación
Forma simple
I must not vie you must not vie she must not vie we must not vie you must not vie they must not vie
Forma con V-ing
I must not be vying you must not be vying she must not be vying we must not be vying you must not be vying they must not be vying
Perfecto
I must not have vied you must not have vied she must not have vied we must not have vied you must not have vied they must not have vied
Perfecto con V-ing
I must not have been vying you must not have been vying she must not have been vying we must not have been vying you must not have been vying they must not have been vying
Forma interrogativa
Forma simple
must I vie? must you vie? must she vie? must we vie? must you vie? must they vie?
Forma con V-ing
must I be vying? must you be vying? must she be vying? must we be vying? must you be vying? must they be vying?
Perfecto
must I have vied? must you have vied? must she have vied? must we have vied? must you have vied? must they have vied?
Perfecto con V-ing
must I have been vying? must you have been vying? must she have been vying? must we have been vying? must you have been vying? must they have been vying?
Forma interro-negativa
Forma simple
must I not vie? must you not vie? must she not vie? must we not vie? must you not vie? must they not vie?
Forma con V-ing
must I not be vying? must you not be vying? must she not be vying? must we not be vying? must you not be vying? must they not be vying?
Perfecto
must I not have vied? must you not have vied? must she not have vied? must we not have vied? must you not have vied? must they not have vied?
Perfecto con V-ing
must I not have been vying? must you not have been vying? must she not have been vying? must we not have been vying? must you not have been vying? must they not have been vying?