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