English verb conjugation
COULD SUBDUCT

Regular verb: subduct - subducted - subducted

Affirmation

Simple form	V-ing form
I could subduct you could subduct he could subduct we could subduct you could subduct they could subduct	I could be subducting you could be subducting he could be subducting we could be subducting you could be subducting they could be subducting
Perfect	V-ing perfect
I could have subducted you could have subducted he could have subducted we could have subducted you could have subducted they could have subducted	I could have been subducting you could have been subducting he could have been subducting we could have been subducting you could have been subducting they could have been subducting

Negation

Simple form	V-ing form
I could not subduct you could not subduct he could not subduct we could not subduct you could not subduct they could not subduct	I could not be subducting you could not be subducting he could not be subducting we could not be subducting you could not be subducting they could not be subducting
Perfect	V-ing perfect
I could not have subducted you could not have subducted he could not have subducted we could not have subducted you could not have subducted they could not have subducted	I could not have been subducting you could not have been subducting he could not have been subducting we could not have been subducting you could not have been subducting they could not have been subducting

Interrogative form

Simple form	V-ing form
could I subduct? could you subduct? could he subduct? could we subduct? could you subduct? could they subduct?	could I be subducting? could you be subducting? could he be subducting? could we be subducting? could you be subducting? could they be subducting?
Perfect	V-ing perfect
could I have subducted? could you have subducted? could he have subducted? could we have subducted? could you have subducted? could they have subducted?	could I have been subducting? could you have been subducting? could he have been subducting? could we have been subducting? could you have been subducting? could they have been subducting?

Interro-negative form

Simple form	V-ing form
could I not subduct? could you not subduct? could he not subduct? could we not subduct? could you not subduct? could they not subduct?	could I not be subducting? could you not be subducting? could he not be subducting? could we not be subducting? could you not be subducting? could they not be subducting?
Perfect	V-ing perfect
could I not have subducted? could you not have subducted? could he not have subducted? could we not have subducted? could you not have subducted? could they not have subducted?	could I not have been subducting? could you not have been subducting? could he not have been subducting? could we not have been subducting? could you not have been subducting? could they not have been subducting?