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