English verb conjugation
MUST INTERGRAFT

Regular verb: intergraft - intergrafted - intergrafted

Affirmation

Simple form	V-ing form
I must intergraft you must intergraft he must intergraft we must intergraft you must intergraft they must intergraft	I must be intergrafting you must be intergrafting he must be intergrafting we must be intergrafting you must be intergrafting they must be intergrafting
Perfect	V-ing perfect
I must have intergrafted you must have intergrafted he must have intergrafted we must have intergrafted you must have intergrafted they must have intergrafted	I must have been intergrafting you must have been intergrafting he must have been intergrafting we must have been intergrafting you must have been intergrafting they must have been intergrafting

Negation

Simple form	V-ing form
I must not intergraft you must not intergraft he must not intergraft we must not intergraft you must not intergraft they must not intergraft	I must not be intergrafting you must not be intergrafting he must not be intergrafting we must not be intergrafting you must not be intergrafting they must not be intergrafting
Perfect	V-ing perfect
I must not have intergrafted you must not have intergrafted he must not have intergrafted we must not have intergrafted you must not have intergrafted they must not have intergrafted	I must not have been intergrafting you must not have been intergrafting he must not have been intergrafting we must not have been intergrafting you must not have been intergrafting they must not have been intergrafting

Interrogative form

Simple form	V-ing form
must I intergraft? must you intergraft? must he intergraft? must we intergraft? must you intergraft? must they intergraft?	must I be intergrafting? must you be intergrafting? must he be intergrafting? must we be intergrafting? must you be intergrafting? must they be intergrafting?
Perfect	V-ing perfect
must I have intergrafted? must you have intergrafted? must he have intergrafted? must we have intergrafted? must you have intergrafted? must they have intergrafted?	must I have been intergrafting? must you have been intergrafting? must he have been intergrafting? must we have been intergrafting? must you have been intergrafting? must they have been intergrafting?

Interro-negative form

Simple form	V-ing form
must I not intergraft? must you not intergraft? must he not intergraft? must we not intergraft? must you not intergraft? must they not intergraft?	must I not be intergrafting? must you not be intergrafting? must he not be intergrafting? must we not be intergrafting? must you not be intergrafting? must they not be intergrafting?
Perfect	V-ing perfect
must I not have intergrafted? must you not have intergrafted? must he not have intergrafted? must we not have intergrafted? must you not have intergrafted? must they not have intergrafted?	must I not have been intergrafting? must you not have been intergrafting? must he not have been intergrafting? must we not have been intergrafting? must you not have been intergrafting? must they not have been intergrafting?