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