could glaze
Regular verb: glaze - glazed- glazed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could glaze
you could glaze
he could glaze
we could glaze
you could glaze
they could glaze 	I could be glazing
you could be glazing
he could be glazing
we could be glazing
you could be glazing
they could be glazing	I could have glazed
you could have glazed
he could have glazed
we could have glazed
you could have glazed
they could have glazed	I could have been glazing
you could have been glazing
he could have been glazing
we could have been glazing
you could have been glazing
they could have been glazing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't glaze
you couldn't glaze
he couldn't glaze
we couldn't glaze
you couldn't glaze
they couldn't glaze 	I couldn't be glazing
you couldn't be glazing
he couldn't be glazing
we couldn't be glazing
you couldn't be glazing
they couldn't be glazing	I couldn't have glazed
you couldn't have glazed
he couldn't have glazed
we couldn't have glazed
you couldn't have glazed
they couldn't have glazed	I couldn't have been glazing
you couldn't have been glazing
he couldn't have been glazing
we couldn't have been glazing
you couldn't have been glazing
they couldn't have been glazing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I glaze?
could you glaze?
could he glaze?
could we glaze?
could you glaze?
could they glaze? 	could I be glazing?
could you be glazing?
could he be glazing?
could we be glazing?
could you be glazing?
could they be glazing? 	could I have glazed?
could you have glazed?
could he have glazed?
could we have glazed?
could you have glazed?
could they have glazed? 	could I have been glazing?
could you have been glazing?
could he have been glazing?
could we have been glazing?
could you have been glazing?
could they have been glazing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I glaze?
couldn't you glaze?
couldn't he glaze?
couldn't we glaze?
couldn't you glaze?
couldn't they glaze? 	couldn't I be glazing?
couldn't you be glazing?
couldn't he be glazing?
couldn't we be glazing?
couldn't you be glazing?
couldn't they be glazing? 	couldn't I have glazed?
couldn't you have glazed?
couldn't he have glazed?
couldn't we have glazed?
couldn't you have glazed?
couldn't they have glazed? 	couldn't I have been glazing?
couldn't you have been glazing?
couldn't he have been glazing?
couldn't we have been glazing?
couldn't you have been glazing?
couldn't they have been glazing?