could raze
Regular verb: raze - razed- razed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could raze
you could raze
he could raze
we could raze
you could raze
they could raze 	I could be razing
you could be razing
he could be razing
we could be razing
you could be razing
they could be razing	I could have razed
you could have razed
he could have razed
we could have razed
you could have razed
they could have razed	I could have been razing
you could have been razing
he could have been razing
we could have been razing
you could have been razing
they could have been razing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't raze
you couldn't raze
he couldn't raze
we couldn't raze
you couldn't raze
they couldn't raze 	I couldn't be razing
you couldn't be razing
he couldn't be razing
we couldn't be razing
you couldn't be razing
they couldn't be razing	I couldn't have razed
you couldn't have razed
he couldn't have razed
we couldn't have razed
you couldn't have razed
they couldn't have razed	I couldn't have been razing
you couldn't have been razing
he couldn't have been razing
we couldn't have been razing
you couldn't have been razing
they couldn't have been razing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I raze?
could you raze?
could he raze?
could we raze?
could you raze?
could they raze? 	could I be razing?
could you be razing?
could he be razing?
could we be razing?
could you be razing?
could they be razing? 	could I have razed?
could you have razed?
could he have razed?
could we have razed?
could you have razed?
could they have razed? 	could I have been razing?
could you have been razing?
could he have been razing?
could we have been razing?
could you have been razing?
could they have been razing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I raze?
couldn't you raze?
couldn't he raze?
couldn't we raze?
couldn't you raze?
couldn't they raze? 	couldn't I be razing?
couldn't you be razing?
couldn't he be razing?
couldn't we be razing?
couldn't you be razing?
couldn't they be razing? 	couldn't I have razed?
couldn't you have razed?
couldn't he have razed?
couldn't we have razed?
couldn't you have razed?
couldn't they have razed? 	couldn't I have been razing?
couldn't you have been razing?
couldn't he have been razing?
couldn't we have been razing?
couldn't you have been razing?
couldn't they have been razing?