I must wait you must wait she must wait we must wait you must wait they must wait
Forma con V-ing
I must be waiting you must be waiting she must be waiting we must be waiting you must be waiting they must be waiting
Perfecto
I must have waited you must have waited she must have waited we must have waited you must have waited they must have waited
Perfecto con V-ing
I must have been waiting you must have been waiting she must have been waiting we must have been waiting you must have been waiting they must have been waiting
Negación
Forma simple
I must not wait you must not wait she must not wait we must not wait you must not wait they must not wait
Forma con V-ing
I must not be waiting you must not be waiting she must not be waiting we must not be waiting you must not be waiting they must not be waiting
Perfecto
I must not have waited you must not have waited she must not have waited we must not have waited you must not have waited they must not have waited
Perfecto con V-ing
I must not have been waiting you must not have been waiting she must not have been waiting we must not have been waiting you must not have been waiting they must not have been waiting
Forma interrogativa
Forma simple
must I wait? must you wait? must she wait? must we wait? must you wait? must they wait?
Forma con V-ing
must I be waiting? must you be waiting? must she be waiting? must we be waiting? must you be waiting? must they be waiting?
Perfecto
must I have waited? must you have waited? must she have waited? must we have waited? must you have waited? must they have waited?
Perfecto con V-ing
must I have been waiting? must you have been waiting? must she have been waiting? must we have been waiting? must you have been waiting? must they have been waiting?
Forma interro-negativa
Forma simple
must I not wait? must you not wait? must she not wait? must we not wait? must you not wait? must they not wait?
Forma con V-ing
must I not be waiting? must you not be waiting? must she not be waiting? must we not be waiting? must you not be waiting? must they not be waiting?
Perfecto
must I not have waited? must you not have waited? must she not have waited? must we not have waited? must you not have waited? must they not have waited?
Perfecto con V-ing
must I not have been waiting? must you not have been waiting? must she not have been waiting? must we not have been waiting? must you not have been waiting? must they not have been waiting?