I could aphorize you could aphorize he could aphorize we could aphorize you could aphorize they could aphorize
V-ing form
I could be aphorizing you could be aphorizing he could be aphorizing we could be aphorizing you could be aphorizing they could be aphorizing
Perfect
I could have aphorized you could have aphorized he could have aphorized we could have aphorized you could have aphorized they could have aphorized
V-ing perfect
I could have been aphorizing you could have been aphorizing he could have been aphorizing we could have been aphorizing you could have been aphorizing they could have been aphorizing
Negation
Simple form
I couldn't aphorize you couldn't aphorize he couldn't aphorize we couldn't aphorize you couldn't aphorize they couldn't aphorize
V-ing form
I couldn't be aphorizing you couldn't be aphorizing he couldn't be aphorizing we couldn't be aphorizing you couldn't be aphorizing they couldn't be aphorizing
Perfect
I couldn't have aphorized you couldn't have aphorized he couldn't have aphorized we couldn't have aphorized you couldn't have aphorized they couldn't have aphorized
V-ing perfect
I couldn't have been aphorizing you couldn't have been aphorizing he couldn't have been aphorizing we couldn't have been aphorizing you couldn't have been aphorizing they couldn't have been aphorizing
Interrogative form
Simple form
could I aphorize? could you aphorize? could he aphorize? could we aphorize? could you aphorize? could they aphorize?
V-ing form
could I be aphorizing? could you be aphorizing? could he be aphorizing? could we be aphorizing? could you be aphorizing? could they be aphorizing?
Perfect
could I have aphorized? could you have aphorized? could he have aphorized? could we have aphorized? could you have aphorized? could they have aphorized?
V-ing perfect
could I have been aphorizing? could you have been aphorizing? could he have been aphorizing? could we have been aphorizing? could you have been aphorizing? could they have been aphorizing?
Interro-negative form
Simple form
couldn't I aphorize? couldn't you aphorize? couldn't he aphorize? couldn't we aphorize? couldn't you aphorize? couldn't they aphorize?
V-ing form
couldn't I be aphorizing? couldn't you be aphorizing? couldn't he be aphorizing? couldn't we be aphorizing? couldn't you be aphorizing? couldn't they be aphorizing?
Perfect
couldn't I have aphorized? couldn't you have aphorized? couldn't he have aphorized? couldn't we have aphorized? couldn't you have aphorized? couldn't they have aphorized?
V-ing perfect
couldn't I have been aphorizing? couldn't you have been aphorizing? couldn't he have been aphorizing? couldn't we have been aphorizing? couldn't you have been aphorizing? couldn't they have been aphorizing?