must graft
Regular verb: graft - grafted- grafted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?