English verb conjugation
COULD COPY-EDIT

Regular verb: copy-edit - copy-edited - copy-edited

Affirmation

Simple form	V-ing form
I could copy-edit you could copy-edit he could copy-edit we could copy-edit you could copy-edit they could copy-edit	I could be copy-editing you could be copy-editing he could be copy-editing we could be copy-editing you could be copy-editing they could be copy-editing
Perfect	V-ing perfect
I could have copy-edited you could have copy-edited he could have copy-edited we could have copy-edited you could have copy-edited they could have copy-edited	I could have been copy-editing you could have been copy-editing he could have been copy-editing we could have been copy-editing you could have been copy-editing they could have been copy-editing

Negation

Simple form	V-ing form
I couldn't copy-edit you couldn't copy-edit he couldn't copy-edit we couldn't copy-edit you couldn't copy-edit they couldn't copy-edit	I couldn't be copy-editing you couldn't be copy-editing he couldn't be copy-editing we couldn't be copy-editing you couldn't be copy-editing they couldn't be copy-editing
Perfect	V-ing perfect
I couldn't have copy-edited you couldn't have copy-edited he couldn't have copy-edited we couldn't have copy-edited you couldn't have copy-edited they couldn't have copy-edited	I couldn't have been copy-editing you couldn't have been copy-editing he couldn't have been copy-editing we couldn't have been copy-editing you couldn't have been copy-editing they couldn't have been copy-editing

Interrogative form

Simple form	V-ing form
could I copy-edit? could you copy-edit? could he copy-edit? could we copy-edit? could you copy-edit? could they copy-edit?	could I be copy-editing? could you be copy-editing? could he be copy-editing? could we be copy-editing? could you be copy-editing? could they be copy-editing?
Perfect	V-ing perfect
could I have copy-edited? could you have copy-edited? could he have copy-edited? could we have copy-edited? could you have copy-edited? could they have copy-edited?	could I have been copy-editing? could you have been copy-editing? could he have been copy-editing? could we have been copy-editing? could you have been copy-editing? could they have been copy-editing?

Interro-negative form

Simple form	V-ing form
couldn't I copy-edit? couldn't you copy-edit? couldn't he copy-edit? couldn't we copy-edit? couldn't you copy-edit? couldn't they copy-edit?	couldn't I be copy-editing? couldn't you be copy-editing? couldn't he be copy-editing? couldn't we be copy-editing? couldn't you be copy-editing? couldn't they be copy-editing?
Perfect	V-ing perfect
couldn't I have copy-edited? couldn't you have copy-edited? couldn't he have copy-edited? couldn't we have copy-edited? couldn't you have copy-edited? couldn't they have copy-edited?	couldn't I have been copy-editing? couldn't you have been copy-editing? couldn't he have been copy-editing? couldn't we have been copy-editing? couldn't you have been copy-editing? couldn't they have been copy-editing?