I must flicker you must flicker he must flicker we must flicker you must flicker they must flicker
Forma con V-ing
I must be flickering you must be flickering he must be flickering we must be flickering you must be flickering they must be flickering
Perfecto
I must have flickered you must have flickered he must have flickered we must have flickered you must have flickered they must have flickered
Perfecto con V-ing
I must have been flickering you must have been flickering he must have been flickering we must have been flickering you must have been flickering they must have been flickering
Negación
Forma simple
I must not flicker you must not flicker he must not flicker we must not flicker you must not flicker they must not flicker
Forma con V-ing
I must not be flickering you must not be flickering he must not be flickering we must not be flickering you must not be flickering they must not be flickering
Perfecto
I must not have flickered you must not have flickered he must not have flickered we must not have flickered you must not have flickered they must not have flickered
Perfecto con V-ing
I must not have been flickering you must not have been flickering he must not have been flickering we must not have been flickering you must not have been flickering they must not have been flickering
Forma interrogativa
Forma simple
must I flicker? must you flicker? must he flicker? must we flicker? must you flicker? must they flicker?
Forma con V-ing
must I be flickering? must you be flickering? must he be flickering? must we be flickering? must you be flickering? must they be flickering?
Perfecto
must I have flickered? must you have flickered? must he have flickered? must we have flickered? must you have flickered? must they have flickered?
Perfecto con V-ing
must I have been flickering? must you have been flickering? must he have been flickering? must we have been flickering? must you have been flickering? must they have been flickering?
Forma interro-negativa
Forma simple
must I not flicker? must you not flicker? must he not flicker? must we not flicker? must you not flicker? must they not flicker?
Forma con V-ing
must I not be flickering? must you not be flickering? must he not be flickering? must we not be flickering? must you not be flickering? must they not be flickering?
Perfecto
must I not have flickered? must you not have flickered? must he not have flickered? must we not have flickered? must you not have flickered? must they not have flickered?
Perfecto con V-ing
must I not have been flickering? must you not have been flickering? must he not have been flickering? must we not have been flickering? must you not have been flickering? must they not have been flickering?