must intergraft
Regular verb: intergraft - intergrafted- intergrafted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must intergraft
you must intergraft
she must intergraft
we must intergraft
you must intergraft
they must intergraft 	I must be intergrafting
you must be intergrafting
she must be intergrafting
we must be intergrafting
you must be intergrafting
they must be intergrafting	I must have intergrafted
you must have intergrafted
she 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
she 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 	Perfect 	V-ing perfect 	
I mustn't intergraft
you mustn't intergraft
she mustn't intergraft
we mustn't intergraft
you mustn't intergraft
they mustn't intergraft 	I mustn't be intergrafting
you mustn't be intergrafting
she mustn't be intergrafting
we mustn't be intergrafting
you mustn't be intergrafting
they mustn't be intergrafting	I mustn't have intergrafted
you mustn't have intergrafted
she mustn't have intergrafted
we mustn't have intergrafted
you mustn't have intergrafted
they mustn't have intergrafted	I mustn't have been intergrafting
you mustn't have been intergrafting
she mustn't have been intergrafting
we mustn't have been intergrafting
you mustn't have been intergrafting
they mustn't have been intergrafting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I intergraft?
must you intergraft?
must she intergraft?
must we intergraft?
must you intergraft?
must they intergraft? 	must I be intergrafting?
must you be intergrafting?
must she be intergrafting?
must we be intergrafting?
must you be intergrafting?
must they be intergrafting? 	must I have intergrafted?
must you have intergrafted?
must she 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 she 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 	Perfect 	V-ing perfect 	
mustn't I intergraft?
mustn't you intergraft?
mustn't she intergraft?
mustn't we intergraft?
mustn't you intergraft?
mustn't they intergraft? 	mustn't I be intergrafting?
mustn't you be intergrafting?
mustn't she be intergrafting?
mustn't we be intergrafting?
mustn't you be intergrafting?
mustn't they be intergrafting? 	mustn't I have intergrafted?
mustn't you have intergrafted?
mustn't she have intergrafted?
mustn't we have intergrafted?
mustn't you have intergrafted?
mustn't they have intergrafted? 	mustn't I have been intergrafting?
mustn't you have been intergrafting?
mustn't she have been intergrafting?
mustn't we have been intergrafting?
mustn't you have been intergrafting?
mustn't they have been intergrafting?