Conjugación del verbo inglés
COULD KNACKER

Verbo regular: knacker - knackered - knackered

Afirmación

Forma simple	Forma con V-ing
I could knacker you could knacker he could knacker we could knacker you could knacker they could knacker	I could be knackering you could be knackering he could be knackering we could be knackering you could be knackering they could be knackering
Perfecto	Perfecto con V-ing
I could have knackered you could have knackered he could have knackered we could have knackered you could have knackered they could have knackered	I could have been knackering you could have been knackering he could have been knackering we could have been knackering you could have been knackering they could have been knackering

Negación

Forma simple	Forma con V-ing
I could not knacker you could not knacker he could not knacker we could not knacker you could not knacker they could not knacker	I could not be knackering you could not be knackering he could not be knackering we could not be knackering you could not be knackering they could not be knackering
Perfecto	Perfecto con V-ing
I could not have knackered you could not have knackered he could not have knackered we could not have knackered you could not have knackered they could not have knackered	I could not have been knackering you could not have been knackering he could not have been knackering we could not have been knackering you could not have been knackering they could not have been knackering

Forma interrogativa

Forma simple	Forma con V-ing
could I knacker? could you knacker? could he knacker? could we knacker? could you knacker? could they knacker?	could I be knackering? could you be knackering? could he be knackering? could we be knackering? could you be knackering? could they be knackering?
Perfecto	Perfecto con V-ing
could I have knackered? could you have knackered? could he have knackered? could we have knackered? could you have knackered? could they have knackered?	could I have been knackering? could you have been knackering? could he have been knackering? could we have been knackering? could you have been knackering? could they have been knackering?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not knacker? could you not knacker? could he not knacker? could we not knacker? could you not knacker? could they not knacker?	could I not be knackering? could you not be knackering? could he not be knackering? could we not be knackering? could you not be knackering? could they not be knackering?
Perfecto	Perfecto con V-ing
could I not have knackered? could you not have knackered? could he not have knackered? could we not have knackered? could you not have knackered? could they not have knackered?	could I not have been knackering? could you not have been knackering? could he not have been knackering? could we not have been knackering? could you not have been knackering? could they not have been knackering?