English verb conjugation
SHOULD CALLUS

Regular verb: callus - callused - callused

Affirmation

Simple form	V-ing form
I'd callus you'd callus he'd callus we'd callus you'd callus they'd callus	I'd be callusing you'd be callusing he'd be callusing we'd be callusing you'd be callusing they'd be callusing
Perfect	V-ing perfect
I should've callused you should've callused he should've callused we should've callused you should've callused they should've callused	I should've been callusing you should've been callusing he should've been callusing we should've been callusing you should've been callusing they should've been callusing

Negation

Simple form	V-ing form
I shouldn't callus you shouldn't callus he shouldn't callus we shouldn't callus you shouldn't callus they shouldn't callus	I shouldn't be callusing you shouldn't be callusing he shouldn't be callusing we shouldn't be callusing you shouldn't be callusing they shouldn't be callusing
Perfect	V-ing perfect
I shouldn't have callused you shouldn't have callused he shouldn't have callused we shouldn't have callused you shouldn't have callused they shouldn't have callused	I shouldn't have been callusing you shouldn't have been callusing he shouldn't have been callusing we shouldn't have been callusing you shouldn't have been callusing they shouldn't have been callusing

Interrogative form

Simple form	V-ing form
should I callus? should you callus? should he callus? should we callus? should you callus? should they callus?	should I be callusing? should you be callusing? should he be callusing? should we be callusing? should you be callusing? should they be callusing?
Perfect	V-ing perfect
should I have callused? should you have callused? should he have callused? should we have callused? should you have callused? should they have callused?	should I have been callusing? should you have been callusing? should he have been callusing? should we have been callusing? should you have been callusing? should they have been callusing?

Interro-negative form

Simple form	V-ing form
shouldn't I callus? shouldn't you callus? shouldn't he callus? shouldn't we callus? shouldn't you callus? shouldn't they callus?	shouldn't I be callusing? shouldn't you be callusing? shouldn't he be callusing? shouldn't we be callusing? shouldn't you be callusing? shouldn't they be callusing?
Perfect	V-ing perfect
shouldn't I have callused? shouldn't you have callused? shouldn't he have callused? shouldn't we have callused? shouldn't you have callused? shouldn't they have callused?	shouldn't I have been callusing? shouldn't you have been callusing? shouldn't he have been callusing? shouldn't we have been callusing? shouldn't you have been callusing? shouldn't they have been callusing?