could canonize
Regular verb: canonize - canonized- canonized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could canonize
you could canonize
he could canonize
we could canonize
you could canonize
they could canonize 	I could be canonizing
you could be canonizing
he could be canonizing
we could be canonizing
you could be canonizing
they could be canonizing	I could have canonized
you could have canonized
he could have canonized
we could have canonized
you could have canonized
they could have canonized	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 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't canonize
you couldn't canonize
he couldn't canonize
we couldn't canonize
you couldn't canonize
they couldn't canonize 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
could I canonize?
could you canonize?
could he canonize?
could we canonize?
could you canonize?
could they canonize? 	could I be canonizing?
could you be canonizing?
could he be canonizing?
could we be canonizing?
could you be canonizing?
could they be canonizing? 	could I have canonized?
could you have canonized?
could he have canonized?
could we have canonized?
could you have canonized?
could they have canonized? 	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 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I canonize?
couldn't you canonize?
couldn't he canonize?
couldn't we canonize?
couldn't you canonize?
couldn't they canonize? 	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? 	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? 	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?