I may follow you may follow he may follow we may follow you may follow they may follow
V-ing form
I may be following you may be following he may be following we may be following you may be following they may be following
Perfect
I may have followed you may have followed he may have followed we may have followed you may have followed they may have followed
V-ing perfect
I may have been following you may have been following he may have been following we may have been following you may have been following they may have been following
Negation
Simple form
I mayn't follow you mayn't follow he mayn't follow we mayn't follow you mayn't follow they mayn't follow
V-ing form
I mayn't be following you mayn't be following he mayn't be following we mayn't be following you mayn't be following they mayn't be following
Perfect
I mayn't have followed you mayn't have followed he mayn't have followed we mayn't have followed you mayn't have followed they mayn't have followed
V-ing perfect
I mayn't have been following you mayn't have been following he mayn't have been following we mayn't have been following you mayn't have been following they mayn't have been following
Interrogative form
Simple form
may I follow? may you follow? may he follow? may we follow? may you follow? may they follow?
V-ing form
may I be following? may you be following? may he be following? may we be following? may you be following? may they be following?
Perfect
may I have followed? may you have followed? may he have followed? may we have followed? may you have followed? may they have followed?
V-ing perfect
may I have been following? may you have been following? may he have been following? may we have been following? may you have been following? may they have been following?
Interro-negative form
Simple form
mayn't I follow? mayn't you follow? mayn't he follow? mayn't we follow? mayn't you follow? mayn't they follow?
V-ing form
mayn't I be following? mayn't you be following? mayn't he be following? mayn't we be following? mayn't you be following? mayn't they be following?
Perfect
mayn't I have followed? mayn't you have followed? mayn't he have followed? mayn't we have followed? mayn't you have followed? mayn't they have followed?
V-ing perfect
mayn't I have been following? mayn't you have been following? mayn't he have been following? mayn't we have been following? mayn't you have been following? mayn't they have been following?