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