could blaze
Regular verb: blaze - blazed- blazed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could blaze
you could blaze
he could blaze
we could blaze
you could blaze
they could blaze 	I could be blazing
you could be blazing
he could be blazing
we could be blazing
you could be blazing
they could be blazing	I could have blazed
you could have blazed
he could have blazed
we could have blazed
you could have blazed
they could have blazed	I could have been blazing
you could have been blazing
he could have been blazing
we could have been blazing
you could have been blazing
they could have been blazing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't blaze
you couldn't blaze
he couldn't blaze
we couldn't blaze
you couldn't blaze
they couldn't blaze 	I couldn't be blazing
you couldn't be blazing
he couldn't be blazing
we couldn't be blazing
you couldn't be blazing
they couldn't be blazing	I couldn't have blazed
you couldn't have blazed
he couldn't have blazed
we couldn't have blazed
you couldn't have blazed
they couldn't have blazed	I couldn't have been blazing
you couldn't have been blazing
he couldn't have been blazing
we couldn't have been blazing
you couldn't have been blazing
they couldn't have been blazing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I blaze?
could you blaze?
could he blaze?
could we blaze?
could you blaze?
could they blaze? 	could I be blazing?
could you be blazing?
could he be blazing?
could we be blazing?
could you be blazing?
could they be blazing? 	could I have blazed?
could you have blazed?
could he have blazed?
could we have blazed?
could you have blazed?
could they have blazed? 	could I have been blazing?
could you have been blazing?
could he have been blazing?
could we have been blazing?
could you have been blazing?
could they have been blazing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I blaze?
couldn't you blaze?
couldn't he blaze?
couldn't we blaze?
couldn't you blaze?
couldn't they blaze? 	couldn't I be blazing?
couldn't you be blazing?
couldn't he be blazing?
couldn't we be blazing?
couldn't you be blazing?
couldn't they be blazing? 	couldn't I have blazed?
couldn't you have blazed?
couldn't he have blazed?
couldn't we have blazed?
couldn't you have blazed?
couldn't they have blazed? 	couldn't I have been blazing?
couldn't you have been blazing?
couldn't he have been blazing?
couldn't we have been blazing?
couldn't you have been blazing?
couldn't they have been blazing?