could demarcate
Regular verb: demarcate - demarcated- demarcated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could demarcate
you could demarcate
he could demarcate
we could demarcate
you could demarcate
they could demarcate 	I could be demarcating
you could be demarcating
he could be demarcating
we could be demarcating
you could be demarcating
they could be demarcating	I could have demarcated
you could have demarcated
he could have demarcated
we could have demarcated
you could have demarcated
they could have demarcated	I could have been demarcating
you could have been demarcating
he could have been demarcating
we could have been demarcating
you could have been demarcating
they could have been demarcating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't demarcate
you couldn't demarcate
he couldn't demarcate
we couldn't demarcate
you couldn't demarcate
they couldn't demarcate 	I couldn't be demarcating
you couldn't be demarcating
he couldn't be demarcating
we couldn't be demarcating
you couldn't be demarcating
they couldn't be demarcating	I couldn't have demarcated
you couldn't have demarcated
he couldn't have demarcated
we couldn't have demarcated
you couldn't have demarcated
they couldn't have demarcated	I couldn't have been demarcating
you couldn't have been demarcating
he couldn't have been demarcating
we couldn't have been demarcating
you couldn't have been demarcating
they couldn't have been demarcating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I demarcate?
could you demarcate?
could he demarcate?
could we demarcate?
could you demarcate?
could they demarcate? 	could I be demarcating?
could you be demarcating?
could he be demarcating?
could we be demarcating?
could you be demarcating?
could they be demarcating? 	could I have demarcated?
could you have demarcated?
could he have demarcated?
could we have demarcated?
could you have demarcated?
could they have demarcated? 	could I have been demarcating?
could you have been demarcating?
could he have been demarcating?
could we have been demarcating?
could you have been demarcating?
could they have been demarcating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I demarcate?
couldn't you demarcate?
couldn't he demarcate?
couldn't we demarcate?
couldn't you demarcate?
couldn't they demarcate? 	couldn't I be demarcating?
couldn't you be demarcating?
couldn't he be demarcating?
couldn't we be demarcating?
couldn't you be demarcating?
couldn't they be demarcating? 	couldn't I have demarcated?
couldn't you have demarcated?
couldn't he have demarcated?
couldn't we have demarcated?
couldn't you have demarcated?
couldn't they have demarcated? 	couldn't I have been demarcating?
couldn't you have been demarcating?
couldn't he have been demarcating?
couldn't we have been demarcating?
couldn't you have been demarcating?
couldn't they have been demarcating?