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 may not callus you may not callus he may not callus we may not callus you may not callus they may not callus	I may not be callusing you may not be callusing he may not be callusing we may not be callusing you may not be callusing they may not be callusing
Perfect	V-ing perfect
I may not have callused you may not have callused he may not have callused we may not have callused you may not have callused they may not have callused	I may not have been callusing you may not have been callusing he may not have been callusing we may not have been callusing you may not have been callusing they may not 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
may I not callus? may you not callus? may he not callus? may we not callus? may you not callus? may they not callus?	may I not be callusing? may you not be callusing? may he not be callusing? may we not be callusing? may you not be callusing? may they not be callusing?
Perfect	V-ing perfect
may I not have callused? may you not have callused? may he not have callused? may we not have callused? may you not have callused? may they not have callused?	may I not have been callusing? may you not have been callusing? may he not have been callusing? may we not have been callusing? may you not have been callusing? may they not have been callusing?