may knacker
Verbo regular: knacker - knackered- knackered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may knacker
you may knacker
he may knacker
we may knacker
you may knacker
they may knacker 	I may be knackering
you may be knackering
he may be knackering
we may be knackering
you may be knackering
they may be knackering	I may have knackered
you may have knackered
he may have knackered
we may have knackered
you may have knackered
they may have knackered	I may have been knackering
you may have been knackering
he may have been knackering
we may have been knackering
you may have been knackering
they may have been knackering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't knacker
you mayn't knacker
he mayn't knacker
we mayn't knacker
you mayn't knacker
they mayn't knacker 	I mayn't be knackering
you mayn't be knackering
he mayn't be knackering
we mayn't be knackering
you mayn't be knackering
they mayn't be knackering	I mayn't have knackered
you mayn't have knackered
he mayn't have knackered
we mayn't have knackered
you mayn't have knackered
they mayn't have knackered	I mayn't have been knackering
you mayn't have been knackering
he mayn't have been knackering
we mayn't have been knackering
you mayn't have been knackering
they mayn't have been knackering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I knacker?
may you knacker?
may he knacker?
may we knacker?
may you knacker?
may they knacker? 	may I be knackering?
may you be knackering?
may he be knackering?
may we be knackering?
may you be knackering?
may they be knackering? 	may I have knackered?
may you have knackered?
may he have knackered?
may we have knackered?
may you have knackered?
may they have knackered? 	may I have been knackering?
may you have been knackering?
may he have been knackering?
may we have been knackering?
may you have been knackering?
may they have been knackering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I knacker?
mayn't you knacker?
mayn't he knacker?
mayn't we knacker?
mayn't you knacker?
mayn't they knacker? 	mayn't I be knackering?
mayn't you be knackering?
mayn't he be knackering?
mayn't we be knackering?
mayn't you be knackering?
mayn't they be knackering? 	mayn't I have knackered?
mayn't you have knackered?
mayn't he have knackered?
mayn't we have knackered?
mayn't you have knackered?
mayn't they have knackered? 	mayn't I have been knackering?
mayn't you have been knackering?
mayn't he have been knackering?
mayn't we have been knackering?
mayn't you have been knackering?
mayn't they have been knackering?