English verb conjugation
COULD CALLOUS

Regular verb: callous - calloused - calloused

Affirmation

Simple form	V-ing form
I could callous you could callous he could callous we could callous you could callous they could callous	I could be callousing you could be callousing he could be callousing we could be callousing you could be callousing they could be callousing
Perfect	V-ing perfect
I could have calloused you could have calloused he could have calloused we could have calloused you could have calloused they could have calloused	I could have been callousing you could have been callousing he could have been callousing we could have been callousing you could have been callousing they could have been callousing

Negation

Simple form	V-ing form
I couldn't callous you couldn't callous he couldn't callous we couldn't callous you couldn't callous they couldn't callous	I couldn't be callousing you couldn't be callousing he couldn't be callousing we couldn't be callousing you couldn't be callousing they couldn't be callousing
Perfect	V-ing perfect
I couldn't have calloused you couldn't have calloused he couldn't have calloused we couldn't have calloused you couldn't have calloused they couldn't have calloused	I couldn't have been callousing you couldn't have been callousing he couldn't have been callousing we couldn't have been callousing you couldn't have been callousing they couldn't have been callousing

Interrogative form

Simple form	V-ing form
could I callous? could you callous? could he callous? could we callous? could you callous? could they callous?	could I be callousing? could you be callousing? could he be callousing? could we be callousing? could you be callousing? could they be callousing?
Perfect	V-ing perfect
could I have calloused? could you have calloused? could he have calloused? could we have calloused? could you have calloused? could they have calloused?	could I have been callousing? could you have been callousing? could he have been callousing? could we have been callousing? could you have been callousing? could they have been callousing?

Interro-negative form

Simple form	V-ing form
couldn't I callous? couldn't you callous? couldn't he callous? couldn't we callous? couldn't you callous? couldn't they callous?	couldn't I be callousing? couldn't you be callousing? couldn't he be callousing? couldn't we be callousing? couldn't you be callousing? couldn't they be callousing?
Perfect	V-ing perfect
couldn't I have calloused? couldn't you have calloused? couldn't he have calloused? couldn't we have calloused? couldn't you have calloused? couldn't they have calloused?	couldn't I have been callousing? couldn't you have been callousing? couldn't he have been callousing? couldn't we have been callousing? couldn't you have been callousing? couldn't they have been callousing?