Conjugación del verbo inglés
COULD STAMMER

Verbo regular: stammer - stammered - stammered

Afirmación

Forma simple	Forma con V-ing
I could stammer you could stammer he could stammer we could stammer you could stammer they could stammer	I could be stammering you could be stammering he could be stammering we could be stammering you could be stammering they could be stammering
Perfecto	Perfecto con V-ing
I could have stammered you could have stammered he could have stammered we could have stammered you could have stammered they could have stammered	I could have been stammering you could have been stammering he could have been stammering we could have been stammering you could have been stammering they could have been stammering

Negación

Forma simple	Forma con V-ing
I could not stammer you could not stammer he could not stammer we could not stammer you could not stammer they could not stammer	I could not be stammering you could not be stammering he could not be stammering we could not be stammering you could not be stammering they could not be stammering
Perfecto	Perfecto con V-ing
I could not have stammered you could not have stammered he could not have stammered we could not have stammered you could not have stammered they could not have stammered	I could not have been stammering you could not have been stammering he could not have been stammering we could not have been stammering you could not have been stammering they could not have been stammering

Forma interrogativa

Forma simple	Forma con V-ing
could I stammer? could you stammer? could he stammer? could we stammer? could you stammer? could they stammer?	could I be stammering? could you be stammering? could he be stammering? could we be stammering? could you be stammering? could they be stammering?
Perfecto	Perfecto con V-ing
could I have stammered? could you have stammered? could he have stammered? could we have stammered? could you have stammered? could they have stammered?	could I have been stammering? could you have been stammering? could he have been stammering? could we have been stammering? could you have been stammering? could they have been stammering?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not stammer? could you not stammer? could he not stammer? could we not stammer? could you not stammer? could they not stammer?	could I not be stammering? could you not be stammering? could he not be stammering? could we not be stammering? could you not be stammering? could they not be stammering?
Perfecto	Perfecto con V-ing
could I not have stammered? could you not have stammered? could he not have stammered? could we not have stammered? could you not have stammered? could they not have stammered?	could I not have been stammering? could you not have been stammering? could he not have been stammering? could we not have been stammering? could you not have been stammering? could they not have been stammering?