could delineate
Regular verb: delineate - delineated- delineated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could delineate
you could delineate
he could delineate
we could delineate
you could delineate
they could delineate 	I could be delineating
you could be delineating
he could be delineating
we could be delineating
you could be delineating
they could be delineating	I could have delineated
you could have delineated
he could have delineated
we could have delineated
you could have delineated
they could have delineated	I could have been delineating
you could have been delineating
he could have been delineating
we could have been delineating
you could have been delineating
they could have been delineating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't delineate
you couldn't delineate
he couldn't delineate
we couldn't delineate
you couldn't delineate
they couldn't delineate 	I couldn't be delineating
you couldn't be delineating
he couldn't be delineating
we couldn't be delineating
you couldn't be delineating
they couldn't be delineating	I couldn't have delineated
you couldn't have delineated
he couldn't have delineated
we couldn't have delineated
you couldn't have delineated
they couldn't have delineated	I couldn't have been delineating
you couldn't have been delineating
he couldn't have been delineating
we couldn't have been delineating
you couldn't have been delineating
they couldn't have been delineating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I delineate?
could you delineate?
could he delineate?
could we delineate?
could you delineate?
could they delineate? 	could I be delineating?
could you be delineating?
could he be delineating?
could we be delineating?
could you be delineating?
could they be delineating? 	could I have delineated?
could you have delineated?
could he have delineated?
could we have delineated?
could you have delineated?
could they have delineated? 	could I have been delineating?
could you have been delineating?
could he have been delineating?
could we have been delineating?
could you have been delineating?
could they have been delineating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I delineate?
couldn't you delineate?
couldn't he delineate?
couldn't we delineate?
couldn't you delineate?
couldn't they delineate? 	couldn't I be delineating?
couldn't you be delineating?
couldn't he be delineating?
couldn't we be delineating?
couldn't you be delineating?
couldn't they be delineating? 	couldn't I have delineated?
couldn't you have delineated?
couldn't he have delineated?
couldn't we have delineated?
couldn't you have delineated?
couldn't they have delineated? 	couldn't I have been delineating?
couldn't you have been delineating?
couldn't he have been delineating?
couldn't we have been delineating?
couldn't you have been delineating?
couldn't they have been delineating?