Conjugación del verbo inglés
COULD SPEC

Verbo regular: spec - speced - speced

Afirmación

Forma simple	Forma con V-ing
I could spec you could spec he could spec we could spec you could spec they could spec	I could be specing you could be specing he could be specing we could be specing you could be specing they could be specing
Perfecto	Perfecto con V-ing
I could have speced you could have speced he could have speced we could have speced you could have speced they could have speced	I could have been specing you could have been specing he could have been specing we could have been specing you could have been specing they could have been specing

Negación

Forma simple	Forma con V-ing
I could not spec you could not spec he could not spec we could not spec you could not spec they could not spec	I could not be specing you could not be specing he could not be specing we could not be specing you could not be specing they could not be specing
Perfecto	Perfecto con V-ing
I could not have speced you could not have speced he could not have speced we could not have speced you could not have speced they could not have speced	I could not have been specing you could not have been specing he could not have been specing we could not have been specing you could not have been specing they could not have been specing

Forma interrogativa

Forma simple	Forma con V-ing
could I spec? could you spec? could he spec? could we spec? could you spec? could they spec?	could I be specing? could you be specing? could he be specing? could we be specing? could you be specing? could they be specing?
Perfecto	Perfecto con V-ing
could I have speced? could you have speced? could he have speced? could we have speced? could you have speced? could they have speced?	could I have been specing? could you have been specing? could he have been specing? could we have been specing? could you have been specing? could they have been specing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not spec? could you not spec? could he not spec? could we not spec? could you not spec? could they not spec?	could I not be specing? could you not be specing? could he not be specing? could we not be specing? could you not be specing? could they not be specing?
Perfecto	Perfecto con V-ing
could I not have speced? could you not have speced? could he not have speced? could we not have speced? could you not have speced? could they not have speced?	could I not have been specing? could you not have been specing? could he not have been specing? could we not have been specing? could you not have been specing? could they not have been specing?