I must obligate you must obligate she must obligate we must obligate you must obligate they must obligate
Forma con V-ing
I must be obligating you must be obligating she must be obligating we must be obligating you must be obligating they must be obligating
Perfecto
I must have obligated you must have obligated she must have obligated we must have obligated you must have obligated they must have obligated
Perfecto con V-ing
I must have been obligating you must have been obligating she must have been obligating we must have been obligating you must have been obligating they must have been obligating
Negación
Forma simple
I mustn't obligate you mustn't obligate she mustn't obligate we mustn't obligate you mustn't obligate they mustn't obligate
Forma con V-ing
I mustn't be obligating you mustn't be obligating she mustn't be obligating we mustn't be obligating you mustn't be obligating they mustn't be obligating
Perfecto
I mustn't have obligated you mustn't have obligated she mustn't have obligated we mustn't have obligated you mustn't have obligated they mustn't have obligated
Perfecto con V-ing
I mustn't have been obligating you mustn't have been obligating she mustn't have been obligating we mustn't have been obligating you mustn't have been obligating they mustn't have been obligating
Forma interrogativa
Forma simple
must I obligate? must you obligate? must she obligate? must we obligate? must you obligate? must they obligate?
Forma con V-ing
must I be obligating? must you be obligating? must she be obligating? must we be obligating? must you be obligating? must they be obligating?
Perfecto
must I have obligated? must you have obligated? must she have obligated? must we have obligated? must you have obligated? must they have obligated?
Perfecto con V-ing
must I have been obligating? must you have been obligating? must she have been obligating? must we have been obligating? must you have been obligating? must they have been obligating?
Forma interro-negativa
Forma simple
mustn't I obligate? mustn't you obligate? mustn't she obligate? mustn't we obligate? mustn't you obligate? mustn't they obligate?
Forma con V-ing
mustn't I be obligating? mustn't you be obligating? mustn't she be obligating? mustn't we be obligating? mustn't you be obligating? mustn't they be obligating?
Perfecto
mustn't I have obligated? mustn't you have obligated? mustn't she have obligated? mustn't we have obligated? mustn't you have obligated? mustn't they have obligated?
Perfecto con V-ing
mustn't I have been obligating? mustn't you have been obligating? mustn't she have been obligating? mustn't we have been obligating? mustn't you have been obligating? mustn't they have been obligating?