can knife
Verbo regolare: knife - knifed- knifed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can knife
you can knife
she can knife
we can knife
you can knife
they can knife 	I can be knifing
you can be knifing
she can be knifing
we can be knifing
you can be knifing
they can be knifing	I can have knifed
you can have knifed
she can have knifed
we can have knifed
you can have knifed
they can have knifed	I can have been knifing
you can have been knifing
she can have been knifing
we can have been knifing
you can have been knifing
they can have been knifing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot knife
you cannot knife
she cannot knife
we cannot knife
you cannot knife
they cannot knife 	I cannot be knifing
you cannot be knifing
she cannot be knifing
we cannot be knifing
you cannot be knifing
they cannot be knifing	I cannot have knifed
you cannot have knifed
she cannot have knifed
we cannot have knifed
you cannot have knifed
they cannot have knifed	I cannot have been knifing
you cannot have been knifing
she cannot have been knifing
we cannot have been knifing
you cannot have been knifing
they cannot have been knifing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I knife?
can you knife?
can she knife?
can we knife?
can you knife?
can they knife? 	can I be knifing?
can you be knifing?
can she be knifing?
can we be knifing?
can you be knifing?
can they be knifing? 	can I have knifed?
can you have knifed?
can she have knifed?
can we have knifed?
can you have knifed?
can they have knifed? 	can I have been knifing?
can you have been knifing?
can she have been knifing?
can we have been knifing?
can you have been knifing?
can they have been knifing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not knife?
can you not knife?
can she not knife?
can we not knife?
can you not knife?
can they not knife? 	can I not be knifing?
can you not be knifing?
can she not be knifing?
can we not be knifing?
can you not be knifing?
can they not be knifing? 	can I not have knifed?
can you not have knifed?
can she not have knifed?
can we not have knifed?
can you not have knifed?
can they not have knifed? 	can I not have been knifing?
can you not have been knifing?
can she not have been knifing?
can we not have been knifing?
can you not have been knifing?
can they not have been knifing?