may knife
Verbo regular: knife - knifed- knifed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may knife
you may knife
she may knife
we may knife
you may knife
they may knife 	I may be knifing
you may be knifing
she may be knifing
we may be knifing
you may be knifing
they may be knifing	I may have knifed
you may have knifed
she may have knifed
we may have knifed
you may have knifed
they may have knifed	I may have been knifing
you may have been knifing
she may have been knifing
we may have been knifing
you may have been knifing
they may have been knifing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not knife
you may not knife
she may not knife
we may not knife
you may not knife
they may not knife 	I may not be knifing
you may not be knifing
she may not be knifing
we may not be knifing
you may not be knifing
they may not be knifing	I may not have knifed
you may not have knifed
she may not have knifed
we may not have knifed
you may not have knifed
they may not have knifed	I may not have been knifing
you may not have been knifing
she may not have been knifing
we may not have been knifing
you may not have been knifing
they may not have been knifing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I knife?
may you knife?
may she knife?
may we knife?
may you knife?
may they knife? 	may I be knifing?
may you be knifing?
may she be knifing?
may we be knifing?
may you be knifing?
may they be knifing? 	may I have knifed?
may you have knifed?
may she have knifed?
may we have knifed?
may you have knifed?
may they have knifed? 	may I have been knifing?
may you have been knifing?
may she have been knifing?
may we have been knifing?
may you have been knifing?
may they have been knifing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not knife?
may you not knife?
may she not knife?
may we not knife?
may you not knife?
may they not knife? 	may I not be knifing?
may you not be knifing?
may she not be knifing?
may we not be knifing?
may you not be knifing?
may they not be knifing? 	may I not have knifed?
may you not have knifed?
may she not have knifed?
may we not have knifed?
may you not have knifed?
may they not have knifed? 	may I not have been knifing?
may you not have been knifing?
may she not have been knifing?
may we not have been knifing?
may you not have been knifing?
may they not have been knifing?