could knacker
Verbo regolare: knacker - knackered- knackered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could knacker
you could knacker
she could knacker
we could knacker
you could knacker
they could knacker 	I could be knackering
you could be knackering
she could be knackering
we could be knackering
you could be knackering
they could be knackering	I could have knackered
you could have knackered
she 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
she could have been knackering
we could have been knackering
you could have been knackering
they could have been knackering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not knacker
you could not knacker
she 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
she could not be knackering
we could not be knackering
you could not be knackering
they could not be knackering	I could not have knackered
you could not have knackered
she 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
she 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 semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I knacker?
could you knacker?
could she knacker?
could we knacker?
could you knacker?
could they knacker? 	could I be knackering?
could you be knackering?
could she be knackering?
could we be knackering?
could you be knackering?
could they be knackering? 	could I have knackered?
could you have knackered?
could she 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 she have been knackering?
could we have been knackering?
could you have been knackering?
could they have been knackering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not knacker?
could you not knacker?
could she 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 she not be knackering?
could we not be knackering?
could you not be knackering?
could they not be knackering? 	could I not have knackered?
could you not have knackered?
could she 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 she not have been knackering?
could we not have been knackering?
could you not have been knackering?
could they not have been knackering?