can callous
Regular verb: callous - calloused- calloused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can callous
you can callous
she can callous
we can callous
you can callous
they can callous 	I can be callousing
you can be callousing
she can be callousing
we can be callousing
you can be callousing
they can be callousing	I can have calloused
you can have calloused
she can have calloused
we can have calloused
you can have calloused
they can have calloused	I can have been callousing
you can have been callousing
she can have been callousing
we can have been callousing
you can have been callousing
they can have been callousing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot callous
you cannot callous
she cannot callous
we cannot callous
you cannot callous
they cannot callous 	I cannot be callousing
you cannot be callousing
she cannot be callousing
we cannot be callousing
you cannot be callousing
they cannot be callousing	I cannot have calloused
you cannot have calloused
she cannot have calloused
we cannot have calloused
you cannot have calloused
they cannot have calloused	I cannot have been callousing
you cannot have been callousing
she cannot have been callousing
we cannot have been callousing
you cannot have been callousing
they cannot have been callousing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I callous?
can you callous?
can she callous?
can we callous?
can you callous?
can they callous? 	can I be callousing?
can you be callousing?
can she be callousing?
can we be callousing?
can you be callousing?
can they be callousing? 	can I have calloused?
can you have calloused?
can she have calloused?
can we have calloused?
can you have calloused?
can they have calloused? 	can I have been callousing?
can you have been callousing?
can she have been callousing?
can we have been callousing?
can you have been callousing?
can they have been callousing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not callous?
can you not callous?
can she not callous?
can we not callous?
can you not callous?
can they not callous? 	can I not be callousing?
can you not be callousing?
can she not be callousing?
can we not be callousing?
can you not be callousing?
can they not be callousing? 	can I not have calloused?
can you not have calloused?
can she not have calloused?
can we not have calloused?
can you not have calloused?
can they not have calloused? 	can I not have been callousing?
can you not have been callousing?
can she not have been callousing?
can we not have been callousing?
can you not have been callousing?
can they not have been callousing?