English verb conjugation
COULD DEDUCT

Regular verb: deduct - deducted - deducted

Affirmation

Simple form	V-ing form
I could deduct you could deduct he could deduct we could deduct you could deduct they could deduct	I could be deducting you could be deducting he could be deducting we could be deducting you could be deducting they could be deducting
Perfect	V-ing perfect
I could have deducted you could have deducted he could have deducted we could have deducted you could have deducted they could have deducted	I could have been deducting you could have been deducting he could have been deducting we could have been deducting you could have been deducting they could have been deducting

Negation

Simple form	V-ing form
I could not deduct you could not deduct he could not deduct we could not deduct you could not deduct they could not deduct	I could not be deducting you could not be deducting he could not be deducting we could not be deducting you could not be deducting they could not be deducting
Perfect	V-ing perfect
I could not have deducted you could not have deducted he could not have deducted we could not have deducted you could not have deducted they could not have deducted	I could not have been deducting you could not have been deducting he could not have been deducting we could not have been deducting you could not have been deducting they could not have been deducting

Interrogative form

Simple form	V-ing form
could I deduct? could you deduct? could he deduct? could we deduct? could you deduct? could they deduct?	could I be deducting? could you be deducting? could he be deducting? could we be deducting? could you be deducting? could they be deducting?
Perfect	V-ing perfect
could I have deducted? could you have deducted? could he have deducted? could we have deducted? could you have deducted? could they have deducted?	could I have been deducting? could you have been deducting? could he have been deducting? could we have been deducting? could you have been deducting? could they have been deducting?

Interro-negative form

Simple form	V-ing form
could I not deduct? could you not deduct? could he not deduct? could we not deduct? could you not deduct? could they not deduct?	could I not be deducting? could you not be deducting? could he not be deducting? could we not be deducting? could you not be deducting? could they not be deducting?
Perfect	V-ing perfect
could I not have deducted? could you not have deducted? could he not have deducted? could we not have deducted? could you not have deducted? could they not have deducted?	could I not have been deducting? could you not have been deducting? could he not have been deducting? could we not have been deducting? could you not have been deducting? could they not have been deducting?