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