English verb conjugation
COULD REFILM

Regular verb: refilm - refilmed - refilmed

Affirmation

Simple form	V-ing form
I could refilm you could refilm he could refilm we could refilm you could refilm they could refilm	I could be refilming you could be refilming he could be refilming we could be refilming you could be refilming they could be refilming
Perfect	V-ing perfect
I could have refilmed you could have refilmed he could have refilmed we could have refilmed you could have refilmed they could have refilmed	I could have been refilming you could have been refilming he could have been refilming we could have been refilming you could have been refilming they could have been refilming

Negation

Simple form	V-ing form
I couldn't refilm you couldn't refilm he couldn't refilm we couldn't refilm you couldn't refilm they couldn't refilm	I couldn't be refilming you couldn't be refilming he couldn't be refilming we couldn't be refilming you couldn't be refilming they couldn't be refilming
Perfect	V-ing perfect
I couldn't have refilmed you couldn't have refilmed he couldn't have refilmed we couldn't have refilmed you couldn't have refilmed they couldn't have refilmed	I couldn't have been refilming you couldn't have been refilming he couldn't have been refilming we couldn't have been refilming you couldn't have been refilming they couldn't have been refilming

Interrogative form

Simple form	V-ing form
could I refilm? could you refilm? could he refilm? could we refilm? could you refilm? could they refilm?	could I be refilming? could you be refilming? could he be refilming? could we be refilming? could you be refilming? could they be refilming?
Perfect	V-ing perfect
could I have refilmed? could you have refilmed? could he have refilmed? could we have refilmed? could you have refilmed? could they have refilmed?	could I have been refilming? could you have been refilming? could he have been refilming? could we have been refilming? could you have been refilming? could they have been refilming?

Interro-negative form

Simple form	V-ing form
couldn't I refilm? couldn't you refilm? couldn't he refilm? couldn't we refilm? couldn't you refilm? couldn't they refilm?	couldn't I be refilming? couldn't you be refilming? couldn't he be refilming? couldn't we be refilming? couldn't you be refilming? couldn't they be refilming?
Perfect	V-ing perfect
couldn't I have refilmed? couldn't you have refilmed? couldn't he have refilmed? couldn't we have refilmed? couldn't you have refilmed? couldn't they have refilmed?	couldn't I have been refilming? couldn't you have been refilming? couldn't he have been refilming? couldn't we have been refilming? couldn't you have been refilming? couldn't they have been refilming?