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