English verb conjugation
COULD ADVANTAGE

Regular verb: advantage - advantaged - advantaged

Affirmation

Simple form	V-ing form
I could advantage you could advantage she could advantage we could advantage you could advantage they could advantage	I could be advantaging you could be advantaging she could be advantaging we could be advantaging you could be advantaging they could be advantaging
Perfect	V-ing perfect
I could have advantaged you could have advantaged she could have advantaged we could have advantaged you could have advantaged they could have advantaged	I could have been advantaging you could have been advantaging she could have been advantaging we could have been advantaging you could have been advantaging they could have been advantaging

Negation

Simple form	V-ing form
I could not advantage you could not advantage she could not advantage we could not advantage you could not advantage they could not advantage	I could not be advantaging you could not be advantaging she could not be advantaging we could not be advantaging you could not be advantaging they could not be advantaging
Perfect	V-ing perfect
I could not have advantaged you could not have advantaged she could not have advantaged we could not have advantaged you could not have advantaged they could not have advantaged	I could not have been advantaging you could not have been advantaging she could not have been advantaging we could not have been advantaging you could not have been advantaging they could not have been advantaging

Interrogative form

Simple form	V-ing form
could I advantage? could you advantage? could she advantage? could we advantage? could you advantage? could they advantage?	could I be advantaging? could you be advantaging? could she be advantaging? could we be advantaging? could you be advantaging? could they be advantaging?
Perfect	V-ing perfect
could I have advantaged? could you have advantaged? could she have advantaged? could we have advantaged? could you have advantaged? could they have advantaged?	could I have been advantaging? could you have been advantaging? could she have been advantaging? could we have been advantaging? could you have been advantaging? could they have been advantaging?

Interro-negative form

Simple form	V-ing form
could I not advantage? could you not advantage? could she not advantage? could we not advantage? could you not advantage? could they not advantage?	could I not be advantaging? could you not be advantaging? could she not be advantaging? could we not be advantaging? could you not be advantaging? could they not be advantaging?
Perfect	V-ing perfect
could I not have advantaged? could you not have advantaged? could she not have advantaged? could we not have advantaged? could you not have advantaged? could they not have advantaged?	could I not have been advantaging? could you not have been advantaging? could she not have been advantaging? could we not have been advantaging? could you not have been advantaging? could they not have been advantaging?