I must spot you must spot she must spot we must spot you must spot they must spot
Forma con V-ing
I must be spotting you must be spotting she must be spotting we must be spotting you must be spotting they must be spotting
Perfecto
I must have spotted you must have spotted she must have spotted we must have spotted you must have spotted they must have spotted
Perfecto con V-ing
I must have been spotting you must have been spotting she must have been spotting we must have been spotting you must have been spotting they must have been spotting
Negación
Forma simple
I must not spot you must not spot she must not spot we must not spot you must not spot they must not spot
Forma con V-ing
I must not be spotting you must not be spotting she must not be spotting we must not be spotting you must not be spotting they must not be spotting
Perfecto
I must not have spotted you must not have spotted she must not have spotted we must not have spotted you must not have spotted they must not have spotted
Perfecto con V-ing
I must not have been spotting you must not have been spotting she must not have been spotting we must not have been spotting you must not have been spotting they must not have been spotting
Forma interrogativa
Forma simple
must I spot? must you spot? must she spot? must we spot? must you spot? must they spot?
Forma con V-ing
must I be spotting? must you be spotting? must she be spotting? must we be spotting? must you be spotting? must they be spotting?
Perfecto
must I have spotted? must you have spotted? must she have spotted? must we have spotted? must you have spotted? must they have spotted?
Perfecto con V-ing
must I have been spotting? must you have been spotting? must she have been spotting? must we have been spotting? must you have been spotting? must they have been spotting?
Forma interro-negativa
Forma simple
must I not spot? must you not spot? must she not spot? must we not spot? must you not spot? must they not spot?
Forma con V-ing
must I not be spotting? must you not be spotting? must she not be spotting? must we not be spotting? must you not be spotting? must they not be spotting?
Perfecto
must I not have spotted? must you not have spotted? must she not have spotted? must we not have spotted? must you not have spotted? must they not have spotted?
Perfecto con V-ing
must I not have been spotting? must you not have been spotting? must she not have been spotting? must we not have been spotting? must you not have been spotting? must they not have been spotting?