I must tap you must tap she must tap we must tap you must tap they must tap
Forma con V-ing
I must be tapping you must be tapping she must be tapping we must be tapping you must be tapping they must be tapping
Perfecto
I must have tapped you must have tapped she must have tapped we must have tapped you must have tapped they must have tapped
Perfecto con V-ing
I must have been tapping you must have been tapping she must have been tapping we must have been tapping you must have been tapping they must have been tapping
Negación
Forma simple
I must not tap you must not tap she must not tap we must not tap you must not tap they must not tap
Forma con V-ing
I must not be tapping you must not be tapping she must not be tapping we must not be tapping you must not be tapping they must not be tapping
Perfecto
I must not have tapped you must not have tapped she must not have tapped we must not have tapped you must not have tapped they must not have tapped
Perfecto con V-ing
I must not have been tapping you must not have been tapping she must not have been tapping we must not have been tapping you must not have been tapping they must not have been tapping
Forma interrogativa
Forma simple
must I tap? must you tap? must she tap? must we tap? must you tap? must they tap?
Forma con V-ing
must I be tapping? must you be tapping? must she be tapping? must we be tapping? must you be tapping? must they be tapping?
Perfecto
must I have tapped? must you have tapped? must she have tapped? must we have tapped? must you have tapped? must they have tapped?
Perfecto con V-ing
must I have been tapping? must you have been tapping? must she have been tapping? must we have been tapping? must you have been tapping? must they have been tapping?
Forma interro-negativa
Forma simple
must I not tap? must you not tap? must she not tap? must we not tap? must you not tap? must they not tap?
Forma con V-ing
must I not be tapping? must you not be tapping? must she not be tapping? must we not be tapping? must you not be tapping? must they not be tapping?
Perfecto
must I not have tapped? must you not have tapped? must she not have tapped? must we not have tapped? must you not have tapped? must they not have tapped?
Perfecto con V-ing
must I not have been tapping? must you not have been tapping? must she not have been tapping? must we not have been tapping? must you not have been tapping? must they not have been tapping?