English verb conjugation
COULD EDIT

Regular verb: edit - edited - edited

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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