I must merge you must merge she must merge we must merge you must merge they must merge
Forma con V-ing
I must be merging you must be merging she must be merging we must be merging you must be merging they must be merging
Perfecto
I must have merged you must have merged she must have merged we must have merged you must have merged they must have merged
Perfecto con V-ing
I must have been merging you must have been merging she must have been merging we must have been merging you must have been merging they must have been merging
Negación
Forma simple
I must not merge you must not merge she must not merge we must not merge you must not merge they must not merge
Forma con V-ing
I must not be merging you must not be merging she must not be merging we must not be merging you must not be merging they must not be merging
Perfecto
I must not have merged you must not have merged she must not have merged we must not have merged you must not have merged they must not have merged
Perfecto con V-ing
I must not have been merging you must not have been merging she must not have been merging we must not have been merging you must not have been merging they must not have been merging
Forma interrogativa
Forma simple
must I merge? must you merge? must she merge? must we merge? must you merge? must they merge?
Forma con V-ing
must I be merging? must you be merging? must she be merging? must we be merging? must you be merging? must they be merging?
Perfecto
must I have merged? must you have merged? must she have merged? must we have merged? must you have merged? must they have merged?
Perfecto con V-ing
must I have been merging? must you have been merging? must she have been merging? must we have been merging? must you have been merging? must they have been merging?
Forma interro-negativa
Forma simple
must I not merge? must you not merge? must she not merge? must we not merge? must you not merge? must they not merge?
Forma con V-ing
must I not be merging? must you not be merging? must she not be merging? must we not be merging? must you not be merging? must they not be merging?
Perfecto
must I not have merged? must you not have merged? must she not have merged? must we not have merged? must you not have merged? must they not have merged?
Perfecto con V-ing
must I not have been merging? must you not have been merging? must she not have been merging? must we not have been merging? must you not have been merging? must they not have been merging?