I may fast-forward you may fast-forward she may fast-forward we may fast-forward you may fast-forward they may fast-forward
V-ing form
I may be fast-forwarding you may be fast-forwarding she may be fast-forwarding we may be fast-forwarding you may be fast-forwarding they may be fast-forwarding
Perfect
I may have fast-forwarded you may have fast-forwarded she may have fast-forwarded we may have fast-forwarded you may have fast-forwarded they may have fast-forwarded
V-ing perfect
I may have been fast-forwarding you may have been fast-forwarding she may have been fast-forwarding we may have been fast-forwarding you may have been fast-forwarding they may have been fast-forwarding
Negation
Simple form
I mayn't fast-forward you mayn't fast-forward she mayn't fast-forward we mayn't fast-forward you mayn't fast-forward they mayn't fast-forward
V-ing form
I mayn't be fast-forwarding you mayn't be fast-forwarding she mayn't be fast-forwarding we mayn't be fast-forwarding you mayn't be fast-forwarding they mayn't be fast-forwarding
Perfect
I mayn't have fast-forwarded you mayn't have fast-forwarded she mayn't have fast-forwarded we mayn't have fast-forwarded you mayn't have fast-forwarded they mayn't have fast-forwarded
V-ing perfect
I mayn't have been fast-forwarding you mayn't have been fast-forwarding she mayn't have been fast-forwarding we mayn't have been fast-forwarding you mayn't have been fast-forwarding they mayn't have been fast-forwarding
Interrogative form
Simple form
may I fast-forward? may you fast-forward? may she fast-forward? may we fast-forward? may you fast-forward? may they fast-forward?
V-ing form
may I be fast-forwarding? may you be fast-forwarding? may she be fast-forwarding? may we be fast-forwarding? may you be fast-forwarding? may they be fast-forwarding?
Perfect
may I have fast-forwarded? may you have fast-forwarded? may she have fast-forwarded? may we have fast-forwarded? may you have fast-forwarded? may they have fast-forwarded?
V-ing perfect
may I have been fast-forwarding? may you have been fast-forwarding? may she have been fast-forwarding? may we have been fast-forwarding? may you have been fast-forwarding? may they have been fast-forwarding?
Interro-negative form
Simple form
mayn't I fast-forward? mayn't you fast-forward? mayn't she fast-forward? mayn't we fast-forward? mayn't you fast-forward? mayn't they fast-forward?
V-ing form
mayn't I be fast-forwarding? mayn't you be fast-forwarding? mayn't she be fast-forwarding? mayn't we be fast-forwarding? mayn't you be fast-forwarding? mayn't they be fast-forwarding?
Perfect
mayn't I have fast-forwarded? mayn't you have fast-forwarded? mayn't she have fast-forwarded? mayn't we have fast-forwarded? mayn't you have fast-forwarded? mayn't they have fast-forwarded?
V-ing perfect
mayn't I have been fast-forwarding? mayn't you have been fast-forwarding? mayn't she have been fast-forwarding? mayn't we have been fast-forwarding? mayn't you have been fast-forwarding? mayn't they have been fast-forwarding?