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