I may rat you may rat she may rat we may rat you may rat they may rat
V-ing form
I may be ratting you may be ratting she may be ratting we may be ratting you may be ratting they may be ratting
Perfect
I may have ratted you may have ratted she may have ratted we may have ratted you may have ratted they may have ratted
V-ing perfect
I may have been ratting you may have been ratting she may have been ratting we may have been ratting you may have been ratting they may have been ratting
Negation
Simple form
I may not rat you may not rat she may not rat we may not rat you may not rat they may not rat
V-ing form
I may not be ratting you may not be ratting she may not be ratting we may not be ratting you may not be ratting they may not be ratting
Perfect
I may not have ratted you may not have ratted she may not have ratted we may not have ratted you may not have ratted they may not have ratted
V-ing perfect
I may not have been ratting you may not have been ratting she may not have been ratting we may not have been ratting you may not have been ratting they may not have been ratting
Interrogative form
Simple form
may I rat? may you rat? may she rat? may we rat? may you rat? may they rat?
V-ing form
may I be ratting? may you be ratting? may she be ratting? may we be ratting? may you be ratting? may they be ratting?
Perfect
may I have ratted? may you have ratted? may she have ratted? may we have ratted? may you have ratted? may they have ratted?
V-ing perfect
may I have been ratting? may you have been ratting? may she have been ratting? may we have been ratting? may you have been ratting? may they have been ratting?
Interro-negative form
Simple form
may I not rat? may you not rat? may she not rat? may we not rat? may you not rat? may they not rat?
V-ing form
may I not be ratting? may you not be ratting? may she not be ratting? may we not be ratting? may you not be ratting? may they not be ratting?
Perfect
may I not have ratted? may you not have ratted? may she not have ratted? may we not have ratted? may you not have ratted? may they not have ratted?
V-ing perfect
may I not have been ratting? may you not have been ratting? may she not have been ratting? may we not have been ratting? may you not have been ratting? may they not have been ratting?