English verb conjugation
COULD SUBEDIT

Regular verb: subedit - subedited - subedited

Affirmation

Simple form	V-ing form
I could subedit you could subedit he could subedit we could subedit you could subedit they could subedit	I could be subediting you could be subediting he could be subediting we could be subediting you could be subediting they could be subediting
Perfect	V-ing perfect
I could have subedited you could have subedited he could have subedited we could have subedited you could have subedited they could have subedited	I could have been subediting you could have been subediting he could have been subediting we could have been subediting you could have been subediting they could have been subediting

Negation

Simple form	V-ing form
I couldn't subedit you couldn't subedit he couldn't subedit we couldn't subedit you couldn't subedit they couldn't subedit	I couldn't be subediting you couldn't be subediting he couldn't be subediting we couldn't be subediting you couldn't be subediting they couldn't be subediting
Perfect	V-ing perfect
I couldn't have subedited you couldn't have subedited he couldn't have subedited we couldn't have subedited you couldn't have subedited they couldn't have subedited	I couldn't have been subediting you couldn't have been subediting he couldn't have been subediting we couldn't have been subediting you couldn't have been subediting they couldn't have been subediting

Interrogative form

Simple form	V-ing form
could I subedit? could you subedit? could he subedit? could we subedit? could you subedit? could they subedit?	could I be subediting? could you be subediting? could he be subediting? could we be subediting? could you be subediting? could they be subediting?
Perfect	V-ing perfect
could I have subedited? could you have subedited? could he have subedited? could we have subedited? could you have subedited? could they have subedited?	could I have been subediting? could you have been subediting? could he have been subediting? could we have been subediting? could you have been subediting? could they have been subediting?

Interro-negative form

Simple form	V-ing form
couldn't I subedit? couldn't you subedit? couldn't he subedit? couldn't we subedit? couldn't you subedit? couldn't they subedit?	couldn't I be subediting? couldn't you be subediting? couldn't he be subediting? couldn't we be subediting? couldn't you be subediting? couldn't they be subediting?
Perfect	V-ing perfect
couldn't I have subedited? couldn't you have subedited? couldn't he have subedited? couldn't we have subedited? couldn't you have subedited? couldn't they have subedited?	couldn't I have been subediting? couldn't you have been subediting? couldn't he have been subediting? couldn't we have been subediting? couldn't you have been subediting? couldn't they have been subediting?