English verb conjugation
COULD ENUMERATE

Regular verb: enumerate - enumerated - enumerated

Affirmation

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