may gnaw
Regular verb: gnaw - gnawed- gnawed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may gnaw
you may gnaw
she may gnaw
we may gnaw
you may gnaw
they may gnaw 	I may be gnawing
you may be gnawing
she may be gnawing
we may be gnawing
you may be gnawing
they may be gnawing	I may have gnawed
you may have gnawed
she may have gnawed
we may have gnawed
you may have gnawed
they may have gnawed	I may have been gnawing
you may have been gnawing
she may have been gnawing
we may have been gnawing
you may have been gnawing
they may have been gnawing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't gnaw
you mayn't gnaw
she mayn't gnaw
we mayn't gnaw
you mayn't gnaw
they mayn't gnaw 	I mayn't be gnawing
you mayn't be gnawing
she mayn't be gnawing
we mayn't be gnawing
you mayn't be gnawing
they mayn't be gnawing	I mayn't have gnawed
you mayn't have gnawed
she mayn't have gnawed
we mayn't have gnawed
you mayn't have gnawed
they mayn't have gnawed	I mayn't have been gnawing
you mayn't have been gnawing
she mayn't have been gnawing
we mayn't have been gnawing
you mayn't have been gnawing
they mayn't have been gnawing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I gnaw?
may you gnaw?
may she gnaw?
may we gnaw?
may you gnaw?
may they gnaw? 	may I be gnawing?
may you be gnawing?
may she be gnawing?
may we be gnawing?
may you be gnawing?
may they be gnawing? 	may I have gnawed?
may you have gnawed?
may she have gnawed?
may we have gnawed?
may you have gnawed?
may they have gnawed? 	may I have been gnawing?
may you have been gnawing?
may she have been gnawing?
may we have been gnawing?
may you have been gnawing?
may they have been gnawing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I gnaw?
mayn't you gnaw?
mayn't she gnaw?
mayn't we gnaw?
mayn't you gnaw?
mayn't they gnaw? 	mayn't I be gnawing?
mayn't you be gnawing?
mayn't she be gnawing?
mayn't we be gnawing?
mayn't you be gnawing?
mayn't they be gnawing? 	mayn't I have gnawed?
mayn't you have gnawed?
mayn't she have gnawed?
mayn't we have gnawed?
mayn't you have gnawed?
mayn't they have gnawed? 	mayn't I have been gnawing?
mayn't you have been gnawing?
mayn't she have been gnawing?
mayn't we have been gnawing?
mayn't you have been gnawing?
mayn't they have been gnawing?