I must empty you must empty she must empty we must empty you must empty they must empty
Forma con V-ing
I must be emptying you must be emptying she must be emptying we must be emptying you must be emptying they must be emptying
Perfecto
I must have emptied you must have emptied she must have emptied we must have emptied you must have emptied they must have emptied
Perfecto con V-ing
I must have been emptying you must have been emptying she must have been emptying we must have been emptying you must have been emptying they must have been emptying
Negación
Forma simple
I must not empty you must not empty she must not empty we must not empty you must not empty they must not empty
Forma con V-ing
I must not be emptying you must not be emptying she must not be emptying we must not be emptying you must not be emptying they must not be emptying
Perfecto
I must not have emptied you must not have emptied she must not have emptied we must not have emptied you must not have emptied they must not have emptied
Perfecto con V-ing
I must not have been emptying you must not have been emptying she must not have been emptying we must not have been emptying you must not have been emptying they must not have been emptying
Forma interrogativa
Forma simple
must I empty? must you empty? must she empty? must we empty? must you empty? must they empty?
Forma con V-ing
must I be emptying? must you be emptying? must she be emptying? must we be emptying? must you be emptying? must they be emptying?
Perfecto
must I have emptied? must you have emptied? must she have emptied? must we have emptied? must you have emptied? must they have emptied?
Perfecto con V-ing
must I have been emptying? must you have been emptying? must she have been emptying? must we have been emptying? must you have been emptying? must they have been emptying?
Forma interro-negativa
Forma simple
must I not empty? must you not empty? must she not empty? must we not empty? must you not empty? must they not empty?
Forma con V-ing
must I not be emptying? must you not be emptying? must she not be emptying? must we not be emptying? must you not be emptying? must they not be emptying?
Perfecto
must I not have emptied? must you not have emptied? must she not have emptied? must we not have emptied? must you not have emptied? must they not have emptied?
Perfecto con V-ing
must I not have been emptying? must you not have been emptying? must she not have been emptying? must we not have been emptying? must you not have been emptying? must they not have been emptying?