I may forget you may forget she may forget we may forget you may forget they may forget
V-ing form
I may be forgetting you may be forgetting she may be forgetting we may be forgetting you may be forgetting they may be forgetting
Perfect
I may have forgotten you may have forgotten she may have forgotten we may have forgotten you may have forgotten they may have forgotten
V-ing perfect
I may have been forgetting you may have been forgetting she may have been forgetting we may have been forgetting you may have been forgetting they may have been forgetting
Negation
Simple form
I may not forget you may not forget she may not forget we may not forget you may not forget they may not forget
V-ing form
I may not be forgetting you may not be forgetting she may not be forgetting we may not be forgetting you may not be forgetting they may not be forgetting
Perfect
I may not have forgotten you may not have forgotten she may not have forgotten we may not have forgotten you may not have forgotten they may not have forgotten
V-ing perfect
I may not have been forgetting you may not have been forgetting she may not have been forgetting we may not have been forgetting you may not have been forgetting they may not have been forgetting
Interrogative form
Simple form
may I forget? may you forget? may she forget? may we forget? may you forget? may they forget?
V-ing form
may I be forgetting? may you be forgetting? may she be forgetting? may we be forgetting? may you be forgetting? may they be forgetting?
Perfect
may I have forgotten? may you have forgotten? may she have forgotten? may we have forgotten? may you have forgotten? may they have forgotten?
V-ing perfect
may I have been forgetting? may you have been forgetting? may she have been forgetting? may we have been forgetting? may you have been forgetting? may they have been forgetting?
Interro-negative form
Simple form
may I not forget? may you not forget? may she not forget? may we not forget? may you not forget? may they not forget?
V-ing form
may I not be forgetting? may you not be forgetting? may she not be forgetting? may we not be forgetting? may you not be forgetting? may they not be forgetting?
Perfect
may I not have forgotten? may you not have forgotten? may she not have forgotten? may we not have forgotten? may you not have forgotten? may they not have forgotten?
V-ing perfect
may I not have been forgetting? may you not have been forgetting? may she not have been forgetting? may we not have been forgetting? may you not have been forgetting? may they not have been forgetting?