English verb conjugation
MUST SEW

Irregular verb: sew - sewed - sewn

Affirmation

Simple form	V-ing form
I must sew you must sew he must sew we must sew you must sew they must sew	I must be sewing you must be sewing he must be sewing we must be sewing you must be sewing they must be sewing
Perfect	V-ing perfect
I must have sewn you must have sewn he must have sewn we must have sewn you must have sewn they must have sewn	I must have been sewing you must have been sewing he must have been sewing we must have been sewing you must have been sewing they must have been sewing

Negation

Simple form	V-ing form
I must not sew you must not sew he must not sew we must not sew you must not sew they must not sew	I must not be sewing you must not be sewing he must not be sewing we must not be sewing you must not be sewing they must not be sewing
Perfect	V-ing perfect
I must not have sewn you must not have sewn he must not have sewn we must not have sewn you must not have sewn they must not have sewn	I must not have been sewing you must not have been sewing he must not have been sewing we must not have been sewing you must not have been sewing they must not have been sewing

Interrogative form

Simple form	V-ing form
must I sew? must you sew? must he sew? must we sew? must you sew? must they sew?	must I be sewing? must you be sewing? must he be sewing? must we be sewing? must you be sewing? must they be sewing?
Perfect	V-ing perfect
must I have sewn? must you have sewn? must he have sewn? must we have sewn? must you have sewn? must they have sewn?	must I have been sewing? must you have been sewing? must he have been sewing? must we have been sewing? must you have been sewing? must they have been sewing?

Interro-negative form

Simple form	V-ing form
must I not sew? must you not sew? must he not sew? must we not sew? must you not sew? must they not sew?	must I not be sewing? must you not be sewing? must he not be sewing? must we not be sewing? must you not be sewing? must they not be sewing?
Perfect	V-ing perfect
must I not have sewn? must you not have sewn? must he not have sewn? must we not have sewn? must you not have sewn? must they not have sewn?	must I not have been sewing? must you not have been sewing? must he not have been sewing? must we not have been sewing? must you not have been sewing? must they not have been sewing?