English verb conjugation
MUST FLAW

Regular verb: flaw - flawed - flawed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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