could enumerate
Regular verb: enumerate - enumerated- enumerated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could enumerate
you could enumerate
he could enumerate
we could enumerate
you could enumerate
they could enumerate 	I could be enumerating
you could be enumerating
he could be enumerating
we could be enumerating
you could be enumerating
they could be enumerating	I could have enumerated
you could have enumerated
he could have enumerated
we could have enumerated
you could have enumerated
they could have enumerated	I could have been enumerating
you could have been enumerating
he could have been enumerating
we could have been enumerating
you could have been enumerating
they could have been enumerating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't enumerate
you couldn't enumerate
he couldn't enumerate
we couldn't enumerate
you couldn't enumerate
they couldn't enumerate 	I couldn't be enumerating
you couldn't be enumerating
he couldn't be enumerating
we couldn't be enumerating
you couldn't be enumerating
they couldn't be enumerating	I couldn't have enumerated
you couldn't have enumerated
he couldn't have enumerated
we couldn't have enumerated
you couldn't have enumerated
they couldn't have enumerated	I couldn't have been enumerating
you couldn't have been enumerating
he couldn't have been enumerating
we couldn't have been enumerating
you couldn't have been enumerating
they couldn't have been enumerating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I enumerate?
could you enumerate?
could he enumerate?
could we enumerate?
could you enumerate?
could they enumerate? 	could I be enumerating?
could you be enumerating?
could he be enumerating?
could we be enumerating?
could you be enumerating?
could they be enumerating? 	could I have enumerated?
could you have enumerated?
could he have enumerated?
could we have enumerated?
could you have enumerated?
could they have enumerated? 	could I have been enumerating?
could you have been enumerating?
could he have been enumerating?
could we have been enumerating?
could you have been enumerating?
could they have been enumerating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I enumerate?
couldn't you enumerate?
couldn't he enumerate?
couldn't we enumerate?
couldn't you enumerate?
couldn't they enumerate? 	couldn't I be enumerating?
couldn't you be enumerating?
couldn't he be enumerating?
couldn't we be enumerating?
couldn't you be enumerating?
couldn't they be enumerating? 	couldn't I have enumerated?
couldn't you have enumerated?
couldn't he have enumerated?
couldn't we have enumerated?
couldn't you have enumerated?
couldn't they have enumerated? 	couldn't I have been enumerating?
couldn't you have been enumerating?
couldn't he have been enumerating?
couldn't we have been enumerating?
couldn't you have been enumerating?
couldn't they have been enumerating?