I must browse you must browse she must browse we must browse you must browse they must browse
Forma con V-ing
I must be browsing you must be browsing she must be browsing we must be browsing you must be browsing they must be browsing
Perfecto
I must have browsed you must have browsed she must have browsed we must have browsed you must have browsed they must have browsed
Perfecto con V-ing
I must have been browsing you must have been browsing she must have been browsing we must have been browsing you must have been browsing they must have been browsing
Negación
Forma simple
I must not browse you must not browse she must not browse we must not browse you must not browse they must not browse
Forma con V-ing
I must not be browsing you must not be browsing she must not be browsing we must not be browsing you must not be browsing they must not be browsing
Perfecto
I must not have browsed you must not have browsed she must not have browsed we must not have browsed you must not have browsed they must not have browsed
Perfecto con V-ing
I must not have been browsing you must not have been browsing she must not have been browsing we must not have been browsing you must not have been browsing they must not have been browsing
Forma interrogativa
Forma simple
must I browse? must you browse? must she browse? must we browse? must you browse? must they browse?
Forma con V-ing
must I be browsing? must you be browsing? must she be browsing? must we be browsing? must you be browsing? must they be browsing?
Perfecto
must I have browsed? must you have browsed? must she have browsed? must we have browsed? must you have browsed? must they have browsed?
Perfecto con V-ing
must I have been browsing? must you have been browsing? must she have been browsing? must we have been browsing? must you have been browsing? must they have been browsing?
Forma interro-negativa
Forma simple
must I not browse? must you not browse? must she not browse? must we not browse? must you not browse? must they not browse?
Forma con V-ing
must I not be browsing? must you not be browsing? must she not be browsing? must we not be browsing? must you not be browsing? must they not be browsing?
Perfecto
must I not have browsed? must you not have browsed? must she not have browsed? must we not have browsed? must you not have browsed? must they not have browsed?
Perfecto con V-ing
must I not have been browsing? must you not have been browsing? must she not have been browsing? must we not have been browsing? must you not have been browsing? must they not have been browsing?