Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I must cover up you must cover up she must cover up we must cover up you must cover up they must cover up
Forma con V-ing
I must be cover uping you must be cover uping she must be cover uping we must be cover uping you must be cover uping they must be cover uping
Perfecto
I must have cover uped you must have cover uped she must have cover uped we must have cover uped you must have cover uped they must have cover uped
Perfecto con V-ing
I must have been cover uping you must have been cover uping she must have been cover uping we must have been cover uping you must have been cover uping they must have been cover uping
Negación
Forma simple
I mustn't cover up you mustn't cover up she mustn't cover up we mustn't cover up you mustn't cover up they mustn't cover up
Forma con V-ing
I mustn't be cover uping you mustn't be cover uping she mustn't be cover uping we mustn't be cover uping you mustn't be cover uping they mustn't be cover uping
Perfecto
I mustn't have cover uped you mustn't have cover uped she mustn't have cover uped we mustn't have cover uped you mustn't have cover uped they mustn't have cover uped
Perfecto con V-ing
I mustn't have been cover uping you mustn't have been cover uping she mustn't have been cover uping we mustn't have been cover uping you mustn't have been cover uping they mustn't have been cover uping
Forma interrogativa
Forma simple
must I cover up? must you cover up? must she cover up? must we cover up? must you cover up? must they cover up?
Forma con V-ing
must I be cover uping? must you be cover uping? must she be cover uping? must we be cover uping? must you be cover uping? must they be cover uping?
Perfecto
must I have cover uped? must you have cover uped? must she have cover uped? must we have cover uped? must you have cover uped? must they have cover uped?
Perfecto con V-ing
must I have been cover uping? must you have been cover uping? must she have been cover uping? must we have been cover uping? must you have been cover uping? must they have been cover uping?
Forma interro-negativa
Forma simple
mustn't I cover up? mustn't you cover up? mustn't she cover up? mustn't we cover up? mustn't you cover up? mustn't they cover up?
Forma con V-ing
mustn't I be cover uping? mustn't you be cover uping? mustn't she be cover uping? mustn't we be cover uping? mustn't you be cover uping? mustn't they be cover uping?
Perfecto
mustn't I have cover uped? mustn't you have cover uped? mustn't she have cover uped? mustn't we have cover uped? mustn't you have cover uped? mustn't they have cover uped?
Perfecto con V-ing
mustn't I have been cover uping? mustn't you have been cover uping? mustn't she have been cover uping? mustn't we have been cover uping? mustn't you have been cover uping? mustn't they have been cover uping?