English verb conjugation
MUST INGRAFT

Regular verb: ingraft - ingrafted - ingrafted

Affirmation

Simple form	V-ing form
I must ingraft you must ingraft he must ingraft we must ingraft you must ingraft they must ingraft	I must be ingrafting you must be ingrafting he must be ingrafting we must be ingrafting you must be ingrafting they must be ingrafting
Perfect	V-ing perfect
I must have ingrafted you must have ingrafted he must have ingrafted we must have ingrafted you must have ingrafted they must have ingrafted	I must have been ingrafting you must have been ingrafting he must have been ingrafting we must have been ingrafting you must have been ingrafting they must have been ingrafting

Negation

Simple form	V-ing form
I must not ingraft you must not ingraft he must not ingraft we must not ingraft you must not ingraft they must not ingraft	I must not be ingrafting you must not be ingrafting he must not be ingrafting we must not be ingrafting you must not be ingrafting they must not be ingrafting
Perfect	V-ing perfect
I must not have ingrafted you must not have ingrafted he must not have ingrafted we must not have ingrafted you must not have ingrafted they must not have ingrafted	I must not have been ingrafting you must not have been ingrafting he must not have been ingrafting we must not have been ingrafting you must not have been ingrafting they must not have been ingrafting

Interrogative form

Simple form	V-ing form
must I ingraft? must you ingraft? must he ingraft? must we ingraft? must you ingraft? must they ingraft?	must I be ingrafting? must you be ingrafting? must he be ingrafting? must we be ingrafting? must you be ingrafting? must they be ingrafting?
Perfect	V-ing perfect
must I have ingrafted? must you have ingrafted? must he have ingrafted? must we have ingrafted? must you have ingrafted? must they have ingrafted?	must I have been ingrafting? must you have been ingrafting? must he have been ingrafting? must we have been ingrafting? must you have been ingrafting? must they have been ingrafting?

Interro-negative form

Simple form	V-ing form
must I not ingraft? must you not ingraft? must he not ingraft? must we not ingraft? must you not ingraft? must they not ingraft?	must I not be ingrafting? must you not be ingrafting? must he not be ingrafting? must we not be ingrafting? must you not be ingrafting? must they not be ingrafting?
Perfect	V-ing perfect
must I not have ingrafted? must you not have ingrafted? must he not have ingrafted? must we not have ingrafted? must you not have ingrafted? must they not have ingrafted?	must I not have been ingrafting? must you not have been ingrafting? must he not have been ingrafting? must we not have been ingrafting? must you not have been ingrafting? must they not have been ingrafting?