English verb conjugation
MAY CALLUS

Regular verb: callus - callused - callused

Affirmation

Simple form	V-ing form
I may callus you may callus he may callus we may callus you may callus they may callus	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
may I callus? may you callus? may he callus? may we callus? may you callus? may they callus?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?