English verb conjugation
COULD PURPORT

Regular verb: purport - purported - purported

Affirmation

Simple form	V-ing form
I could purport you could purport he could purport we could purport you could purport they could purport	I could be purporting you could be purporting he could be purporting we could be purporting you could be purporting they could be purporting
Perfect	V-ing perfect
I could have purported you could have purported he could have purported we could have purported you could have purported they could have purported	I could have been purporting you could have been purporting he could have been purporting we could have been purporting you could have been purporting they could have been purporting

Negation

Simple form	V-ing form
I could not purport you could not purport he could not purport we could not purport you could not purport they could not purport	I could not be purporting you could not be purporting he could not be purporting we could not be purporting you could not be purporting they could not be purporting
Perfect	V-ing perfect
I could not have purported you could not have purported he could not have purported we could not have purported you could not have purported they could not have purported	I could not have been purporting you could not have been purporting he could not have been purporting we could not have been purporting you could not have been purporting they could not have been purporting

Interrogative form

Simple form	V-ing form
could I purport? could you purport? could he purport? could we purport? could you purport? could they purport?	could I be purporting? could you be purporting? could he be purporting? could we be purporting? could you be purporting? could they be purporting?
Perfect	V-ing perfect
could I have purported? could you have purported? could he have purported? could we have purported? could you have purported? could they have purported?	could I have been purporting? could you have been purporting? could he have been purporting? could we have been purporting? could you have been purporting? could they have been purporting?

Interro-negative form

Simple form	V-ing form
could I not purport? could you not purport? could he not purport? could we not purport? could you not purport? could they not purport?	could I not be purporting? could you not be purporting? could he not be purporting? could we not be purporting? could you not be purporting? could they not be purporting?
Perfect	V-ing perfect
could I not have purported? could you not have purported? could he not have purported? could we not have purported? could you not have purported? could they not have purported?	could I not have been purporting? could you not have been purporting? could he not have been purporting? could we not have been purporting? could you not have been purporting? could they not have been purporting?