I must trouble you must trouble she must trouble we must trouble you must trouble they must trouble
Forma con V-ing
I must be troubling you must be troubling she must be troubling we must be troubling you must be troubling they must be troubling
Perfecto
I must have troubled you must have troubled she must have troubled we must have troubled you must have troubled they must have troubled
Perfecto con V-ing
I must have been troubling you must have been troubling she must have been troubling we must have been troubling you must have been troubling they must have been troubling
Negación
Forma simple
I must not trouble you must not trouble she must not trouble we must not trouble you must not trouble they must not trouble
Forma con V-ing
I must not be troubling you must not be troubling she must not be troubling we must not be troubling you must not be troubling they must not be troubling
Perfecto
I must not have troubled you must not have troubled she must not have troubled we must not have troubled you must not have troubled they must not have troubled
Perfecto con V-ing
I must not have been troubling you must not have been troubling she must not have been troubling we must not have been troubling you must not have been troubling they must not have been troubling
Forma interrogativa
Forma simple
must I trouble? must you trouble? must she trouble? must we trouble? must you trouble? must they trouble?
Forma con V-ing
must I be troubling? must you be troubling? must she be troubling? must we be troubling? must you be troubling? must they be troubling?
Perfecto
must I have troubled? must you have troubled? must she have troubled? must we have troubled? must you have troubled? must they have troubled?
Perfecto con V-ing
must I have been troubling? must you have been troubling? must she have been troubling? must we have been troubling? must you have been troubling? must they have been troubling?
Forma interro-negativa
Forma simple
must I not trouble? must you not trouble? must she not trouble? must we not trouble? must you not trouble? must they not trouble?
Forma con V-ing
must I not be troubling? must you not be troubling? must she not be troubling? must we not be troubling? must you not be troubling? must they not be troubling?
Perfecto
must I not have troubled? must you not have troubled? must she not have troubled? must we not have troubled? must you not have troubled? must they not have troubled?
Perfecto con V-ing
must I not have been troubling? must you not have been troubling? must she not have been troubling? must we not have been troubling? must you not have been troubling? must they not have been troubling?