English verb conjugation
MUST GRAFT

Regular verb: graft - grafted - grafted

Affirmation

Simple form	V-ing form
I must graft you must graft she must graft we must graft you must graft they must graft	I must be grafting you must be grafting she must be grafting we must be grafting you must be grafting they must be grafting
Perfect	V-ing perfect
I must have grafted you must have grafted she must have grafted we must have grafted you must have grafted they must have grafted	I must have been grafting you must have been grafting she must have been grafting we must have been grafting you must have been grafting they must have been grafting

Negation

Simple form	V-ing form
I must not graft you must not graft she must not graft we must not graft you must not graft they must not graft	I must not be grafting you must not be grafting she must not be grafting we must not be grafting you must not be grafting they must not be grafting
Perfect	V-ing perfect
I must not have grafted you must not have grafted she must not have grafted we must not have grafted you must not have grafted they must not have grafted	I must not have been grafting you must not have been grafting she must not have been grafting we must not have been grafting you must not have been grafting they must not have been grafting

Interrogative form

Simple form	V-ing form
must I graft? must you graft? must she graft? must we graft? must you graft? must they graft?	must I be grafting? must you be grafting? must she be grafting? must we be grafting? must you be grafting? must they be grafting?
Perfect	V-ing perfect
must I have grafted? must you have grafted? must she have grafted? must we have grafted? must you have grafted? must they have grafted?	must I have been grafting? must you have been grafting? must she have been grafting? must we have been grafting? must you have been grafting? must they have been grafting?

Interro-negative form

Simple form	V-ing form
must I not graft? must you not graft? must she not graft? must we not graft? must you not graft? must they not graft?	must I not be grafting? must you not be grafting? must she not be grafting? must we not be grafting? must you not be grafting? must they not be grafting?
Perfect	V-ing perfect
must I not have grafted? must you not have grafted? must she not have grafted? must we not have grafted? must you not have grafted? must they not have grafted?	must I not have been grafting? must you not have been grafting? must she not have been grafting? must we not have been grafting? must you not have been grafting? must they not have been grafting?