Conjugación del verbo inglés
COULD PREINFORM

Verbo regular: preinform - preinformed - preinformed

Afirmación

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

Negación

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

Forma interrogativa

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

Forma interro-negativa

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