English verb conjugation
COULD REFILE

Regular verb: refile - refiled - refiled

Affirmation

Simple form	V-ing form
I could refile you could refile she could refile we could refile you could refile they could refile	I could be refiling you could be refiling she could be refiling we could be refiling you could be refiling they could be refiling
Perfect	V-ing perfect
I could have refiled you could have refiled she could have refiled we could have refiled you could have refiled they could have refiled	I could have been refiling you could have been refiling she could have been refiling we could have been refiling you could have been refiling they could have been refiling

Negation

Simple form	V-ing form
I couldn't refile you couldn't refile she couldn't refile we couldn't refile you couldn't refile they couldn't refile	I couldn't be refiling you couldn't be refiling she couldn't be refiling we couldn't be refiling you couldn't be refiling they couldn't be refiling
Perfect	V-ing perfect
I couldn't have refiled you couldn't have refiled she couldn't have refiled we couldn't have refiled you couldn't have refiled they couldn't have refiled	I couldn't have been refiling you couldn't have been refiling she couldn't have been refiling we couldn't have been refiling you couldn't have been refiling they couldn't have been refiling

Interrogative form

Simple form	V-ing form
could I refile? could you refile? could she refile? could we refile? could you refile? could they refile?	could I be refiling? could you be refiling? could she be refiling? could we be refiling? could you be refiling? could they be refiling?
Perfect	V-ing perfect
could I have refiled? could you have refiled? could she have refiled? could we have refiled? could you have refiled? could they have refiled?	could I have been refiling? could you have been refiling? could she have been refiling? could we have been refiling? could you have been refiling? could they have been refiling?

Interro-negative form

Simple form	V-ing form
couldn't I refile? couldn't you refile? couldn't she refile? couldn't we refile? couldn't you refile? couldn't they refile?	couldn't I be refiling? couldn't you be refiling? couldn't she be refiling? couldn't we be refiling? couldn't you be refiling? couldn't they be refiling?
Perfect	V-ing perfect
couldn't I have refiled? couldn't you have refiled? couldn't she have refiled? couldn't we have refiled? couldn't you have refiled? couldn't they have refiled?	couldn't I have been refiling? couldn't you have been refiling? couldn't she have been refiling? couldn't we have been refiling? couldn't you have been refiling? couldn't they have been refiling?