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