English verb conjugation
COULD FLAW

Regular verb: flaw - flawed - flawed

Affirmation

Simple form	V-ing form
I could flaw you could flaw he could flaw we could flaw you could flaw they could flaw	I could be flawing you could be flawing he could be flawing we could be flawing you could be flawing they could be flawing
Perfect	V-ing perfect
I could have flawed you could have flawed he could have flawed we could have flawed you could have flawed they could have flawed	I could have been flawing you could have been flawing he could have been flawing we could have been flawing you could have been flawing they could have been flawing

Negation

Simple form	V-ing form
I could not flaw you could not flaw he could not flaw we could not flaw you could not flaw they could not flaw	I could not be flawing you could not be flawing he could not be flawing we could not be flawing you could not be flawing they could not be flawing
Perfect	V-ing perfect
I could not have flawed you could not have flawed he could not have flawed we could not have flawed you could not have flawed they could not have flawed	I could not have been flawing you could not have been flawing he could not have been flawing we could not have been flawing you could not have been flawing they could not have been flawing

Interrogative form

Simple form	V-ing form
could I flaw? could you flaw? could he flaw? could we flaw? could you flaw? could they flaw?	could I be flawing? could you be flawing? could he be flawing? could we be flawing? could you be flawing? could they be flawing?
Perfect	V-ing perfect
could I have flawed? could you have flawed? could he have flawed? could we have flawed? could you have flawed? could they have flawed?	could I have been flawing? could you have been flawing? could he have been flawing? could we have been flawing? could you have been flawing? could they have been flawing?

Interro-negative form

Simple form	V-ing form
could I not flaw? could you not flaw? could he not flaw? could we not flaw? could you not flaw? could they not flaw?	could I not be flawing? could you not be flawing? could he not be flawing? could we not be flawing? could you not be flawing? could they not be flawing?
Perfect	V-ing perfect
could I not have flawed? could you not have flawed? could he not have flawed? could we not have flawed? could you not have flawed? could they not have flawed?	could I not have been flawing? could you not have been flawing? could he not have been flawing? could we not have been flawing? could you not have been flawing? could they not have been flawing?