I must account you must account she must account we must account you must account they must account
Forma con V-ing
I must be accounting you must be accounting she must be accounting we must be accounting you must be accounting they must be accounting
Perfecto
I must have accounted you must have accounted she must have accounted we must have accounted you must have accounted they must have accounted
Perfecto con V-ing
I must have been accounting you must have been accounting she must have been accounting we must have been accounting you must have been accounting they must have been accounting
Negación
Forma simple
I must not account you must not account she must not account we must not account you must not account they must not account
Forma con V-ing
I must not be accounting you must not be accounting she must not be accounting we must not be accounting you must not be accounting they must not be accounting
Perfecto
I must not have accounted you must not have accounted she must not have accounted we must not have accounted you must not have accounted they must not have accounted
Perfecto con V-ing
I must not have been accounting you must not have been accounting she must not have been accounting we must not have been accounting you must not have been accounting they must not have been accounting
Forma interrogativa
Forma simple
must I account? must you account? must she account? must we account? must you account? must they account?
Forma con V-ing
must I be accounting? must you be accounting? must she be accounting? must we be accounting? must you be accounting? must they be accounting?
Perfecto
must I have accounted? must you have accounted? must she have accounted? must we have accounted? must you have accounted? must they have accounted?
Perfecto con V-ing
must I have been accounting? must you have been accounting? must she have been accounting? must we have been accounting? must you have been accounting? must they have been accounting?
Forma interro-negativa
Forma simple
must I not account? must you not account? must she not account? must we not account? must you not account? must they not account?
Forma con V-ing
must I not be accounting? must you not be accounting? must she not be accounting? must we not be accounting? must you not be accounting? must they not be accounting?
Perfecto
must I not have accounted? must you not have accounted? must she not have accounted? must we not have accounted? must you not have accounted? must they not have accounted?
Perfecto con V-ing
must I not have been accounting? must you not have been accounting? must she not have been accounting? must we not have been accounting? must you not have been accounting? must they not have been accounting?