Conjugación del verbo inglés
COULD JAM

Verbo regular: jam - jammed - jammed

Afirmación

Forma simple	Forma con V-ing
I could jam you could jam she could jam we could jam you could jam they could jam	I could be jamming you could be jamming she could be jamming we could be jamming you could be jamming they could be jamming
Perfecto	Perfecto con V-ing
I could have jammed you could have jammed she could have jammed we could have jammed you could have jammed they could have jammed	I could have been jamming you could have been jamming she could have been jamming we could have been jamming you could have been jamming they could have been jamming

Negación

Forma simple	Forma con V-ing
I could not jam you could not jam she could not jam we could not jam you could not jam they could not jam	I could not be jamming you could not be jamming she could not be jamming we could not be jamming you could not be jamming they could not be jamming
Perfecto	Perfecto con V-ing
I could not have jammed you could not have jammed she could not have jammed we could not have jammed you could not have jammed they could not have jammed	I could not have been jamming you could not have been jamming she could not have been jamming we could not have been jamming you could not have been jamming they could not have been jamming

Forma interrogativa

Forma simple	Forma con V-ing
could I jam? could you jam? could she jam? could we jam? could you jam? could they jam?	could I be jamming? could you be jamming? could she be jamming? could we be jamming? could you be jamming? could they be jamming?
Perfecto	Perfecto con V-ing
could I have jammed? could you have jammed? could she have jammed? could we have jammed? could you have jammed? could they have jammed?	could I have been jamming? could you have been jamming? could she have been jamming? could we have been jamming? could you have been jamming? could they have been jamming?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not jam? could you not jam? could she not jam? could we not jam? could you not jam? could they not jam?	could I not be jamming? could you not be jamming? could she not be jamming? could we not be jamming? could you not be jamming? could they not be jamming?
Perfecto	Perfecto con V-ing
could I not have jammed? could you not have jammed? could she not have jammed? could we not have jammed? could you not have jammed? could they not have jammed?	could I not have been jamming? could you not have been jamming? could she not have been jamming? could we not have been jamming? could you not have been jamming? could they not have been jamming?