should knacker
Verbo regular: knacker - knackered- knackered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd knacker
you'd knacker
she'd knacker
we'd knacker
you'd knacker
they'd knacker 	I'd be knackering
you'd be knackering
she'd be knackering
we'd be knackering
you'd be knackering
they'd be knackering	I should've knackered
you should've knackered
she should've knackered
we should've knackered
you should've knackered
they should've knackered	I should've been knackering
you should've been knackering
she should've been knackering
we should've been knackering
you should've been knackering
they should've been knackering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't knacker
you shouldn't knacker
she shouldn't knacker
we shouldn't knacker
you shouldn't knacker
they shouldn't knacker 	I shouldn't be knackering
you shouldn't be knackering
she shouldn't be knackering
we shouldn't be knackering
you shouldn't be knackering
they shouldn't be knackering	I shouldn't have knackered
you shouldn't have knackered
she shouldn't have knackered
we shouldn't have knackered
you shouldn't have knackered
they shouldn't have knackered	I shouldn't have been knackering
you shouldn't have been knackering
she shouldn't have been knackering
we shouldn't have been knackering
you shouldn't have been knackering
they shouldn't have been knackering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I knacker?
should you knacker?
should she knacker?
should we knacker?
should you knacker?
should they knacker? 	should I be knackering?
should you be knackering?
should she be knackering?
should we be knackering?
should you be knackering?
should they be knackering? 	should I have knackered?
should you have knackered?
should she have knackered?
should we have knackered?
should you have knackered?
should they have knackered? 	should I have been knackering?
should you have been knackering?
should she have been knackering?
should we have been knackering?
should you have been knackering?
should they have been knackering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I knacker?
shouldn't you knacker?
shouldn't she knacker?
shouldn't we knacker?
shouldn't you knacker?
shouldn't they knacker? 	shouldn't I be knackering?
shouldn't you be knackering?
shouldn't she be knackering?
shouldn't we be knackering?
shouldn't you be knackering?
shouldn't they be knackering? 	shouldn't I have knackered?
shouldn't you have knackered?
shouldn't she have knackered?
shouldn't we have knackered?
shouldn't you have knackered?
shouldn't they have knackered? 	shouldn't I have been knackering?
shouldn't you have been knackering?
shouldn't she have been knackering?
shouldn't we have been knackering?
shouldn't you have been knackering?
shouldn't they have been knackering?