Conjugación del verbo inglés
MUST PREINFORM

Verbo regular: preinform - preinformed - preinformed

Afirmación

Forma simple	Forma con V-ing
I must preinform you must preinform she must preinform we must preinform you must preinform they must preinform	I must be preinforming you must be preinforming she must be preinforming we must be preinforming you must be preinforming they must be preinforming
Perfecto	Perfecto con V-ing
I must have preinformed you must have preinformed she must have preinformed we must have preinformed you must have preinformed they must have preinformed	I must have been preinforming you must have been preinforming she must have been preinforming we must have been preinforming you must have been preinforming they must have been preinforming

Negación

Forma simple	Forma con V-ing
I mustn't preinform you mustn't preinform she mustn't preinform we mustn't preinform you mustn't preinform they mustn't preinform	I mustn't be preinforming you mustn't be preinforming she mustn't be preinforming we mustn't be preinforming you mustn't be preinforming they mustn't be preinforming
Perfecto	Perfecto con V-ing
I mustn't have preinformed you mustn't have preinformed she mustn't have preinformed we mustn't have preinformed you mustn't have preinformed they mustn't have preinformed	I mustn't have been preinforming you mustn't have been preinforming she mustn't have been preinforming we mustn't have been preinforming you mustn't have been preinforming they mustn't have been preinforming

Forma interrogativa

Forma simple	Forma con V-ing
must I preinform? must you preinform? must she preinform? must we preinform? must you preinform? must they preinform?	must I be preinforming? must you be preinforming? must she be preinforming? must we be preinforming? must you be preinforming? must they be preinforming?
Perfecto	Perfecto con V-ing
must I have preinformed? must you have preinformed? must she have preinformed? must we have preinformed? must you have preinformed? must they have preinformed?	must I have been preinforming? must you have been preinforming? must she have been preinforming? must we have been preinforming? must you have been preinforming? must they have been preinforming?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I preinform? mustn't you preinform? mustn't she preinform? mustn't we preinform? mustn't you preinform? mustn't they preinform?	mustn't I be preinforming? mustn't you be preinforming? mustn't she be preinforming? mustn't we be preinforming? mustn't you be preinforming? mustn't they be preinforming?
Perfecto	Perfecto con V-ing
mustn't I have preinformed? mustn't you have preinformed? mustn't she have preinformed? mustn't we have preinformed? mustn't you have preinformed? mustn't they have preinformed?	mustn't I have been preinforming? mustn't you have been preinforming? mustn't she have been preinforming? mustn't we have been preinforming? mustn't you have been preinforming? mustn't they have been preinforming?