could edit
Regular verb: edit - edited- edited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?