English verb conjugation
COULD DEPONE

Regular verb: depone - deponed - deponed

Affirmation

Simple form	V-ing form
I could depone you could depone he could depone we could depone you could depone they could depone	I could be deponing you could be deponing he could be deponing we could be deponing you could be deponing they could be deponing
Perfect	V-ing perfect
I could have deponed you could have deponed he could have deponed we could have deponed you could have deponed they could have deponed	I could have been deponing you could have been deponing he could have been deponing we could have been deponing you could have been deponing they could have been deponing

Negation

Simple form	V-ing form
I couldn't depone you couldn't depone he couldn't depone we couldn't depone you couldn't depone they couldn't depone	I couldn't be deponing you couldn't be deponing he couldn't be deponing we couldn't be deponing you couldn't be deponing they couldn't be deponing
Perfect	V-ing perfect
I couldn't have deponed you couldn't have deponed he couldn't have deponed we couldn't have deponed you couldn't have deponed they couldn't have deponed	I couldn't have been deponing you couldn't have been deponing he couldn't have been deponing we couldn't have been deponing you couldn't have been deponing they couldn't have been deponing

Interrogative form

Simple form	V-ing form
could I depone? could you depone? could he depone? could we depone? could you depone? could they depone?	could I be deponing? could you be deponing? could he be deponing? could we be deponing? could you be deponing? could they be deponing?
Perfect	V-ing perfect
could I have deponed? could you have deponed? could he have deponed? could we have deponed? could you have deponed? could they have deponed?	could I have been deponing? could you have been deponing? could he have been deponing? could we have been deponing? could you have been deponing? could they have been deponing?

Interro-negative form

Simple form	V-ing form
couldn't I depone? couldn't you depone? couldn't he depone? couldn't we depone? couldn't you depone? couldn't they depone?	couldn't I be deponing? couldn't you be deponing? couldn't he be deponing? couldn't we be deponing? couldn't you be deponing? couldn't they be deponing?
Perfect	V-ing perfect
couldn't I have deponed? couldn't you have deponed? couldn't he have deponed? couldn't we have deponed? couldn't you have deponed? couldn't they have deponed?	couldn't I have been deponing? couldn't you have been deponing? couldn't he have been deponing? couldn't we have been deponing? couldn't you have been deponing? couldn't they have been deponing?