I must abrade you must abrade she must abrade we must abrade you must abrade they must abrade
Forma con V-ing
I must be abrading you must be abrading she must be abrading we must be abrading you must be abrading they must be abrading
Perfecto
I must have abraded you must have abraded she must have abraded we must have abraded you must have abraded they must have abraded
Perfecto con V-ing
I must have been abrading you must have been abrading she must have been abrading we must have been abrading you must have been abrading they must have been abrading
Negación
Forma simple
I must not abrade you must not abrade she must not abrade we must not abrade you must not abrade they must not abrade
Forma con V-ing
I must not be abrading you must not be abrading she must not be abrading we must not be abrading you must not be abrading they must not be abrading
Perfecto
I must not have abraded you must not have abraded she must not have abraded we must not have abraded you must not have abraded they must not have abraded
Perfecto con V-ing
I must not have been abrading you must not have been abrading she must not have been abrading we must not have been abrading you must not have been abrading they must not have been abrading
Forma interrogativa
Forma simple
must I abrade? must you abrade? must she abrade? must we abrade? must you abrade? must they abrade?
Forma con V-ing
must I be abrading? must you be abrading? must she be abrading? must we be abrading? must you be abrading? must they be abrading?
Perfecto
must I have abraded? must you have abraded? must she have abraded? must we have abraded? must you have abraded? must they have abraded?
Perfecto con V-ing
must I have been abrading? must you have been abrading? must she have been abrading? must we have been abrading? must you have been abrading? must they have been abrading?
Forma interro-negativa
Forma simple
must I not abrade? must you not abrade? must she not abrade? must we not abrade? must you not abrade? must they not abrade?
Forma con V-ing
must I not be abrading? must you not be abrading? must she not be abrading? must we not be abrading? must you not be abrading? must they not be abrading?
Perfecto
must I not have abraded? must you not have abraded? must she not have abraded? must we not have abraded? must you not have abraded? must they not have abraded?
Perfecto con V-ing
must I not have been abrading? must you not have been abrading? must she not have been abrading? must we not have been abrading? must you not have been abrading? must they not have been abrading?