must graft
Verbe régulier : graft - grafted- grafted
Traduction française : greffer - donner ou recevoir des pots-de-vin 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't graft
you mustn't graft
she mustn't graft
we mustn't graft
you mustn't graft
they mustn't graft 	I mustn't be grafting
you mustn't be grafting
she mustn't be grafting
we mustn't be grafting
you mustn't be grafting
they mustn't be grafting	I mustn't have grafted
you mustn't have grafted
she mustn't have grafted
we mustn't have grafted
you mustn't have grafted
they mustn't have grafted	I mustn't have been grafting
you mustn't have been grafting
she mustn't have been grafting
we mustn't have been grafting
you mustn't have been grafting
they mustn't have been grafting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I graft?
mustn't you graft?
mustn't she graft?
mustn't we graft?
mustn't you graft?
mustn't they graft? 	mustn't I be grafting?
mustn't you be grafting?
mustn't she be grafting?
mustn't we be grafting?
mustn't you be grafting?
mustn't they be grafting? 	mustn't I have grafted?
mustn't you have grafted?
mustn't she have grafted?
mustn't we have grafted?
mustn't you have grafted?
mustn't they have grafted? 	mustn't I have been grafting?
mustn't you have been grafting?
mustn't she have been grafting?
mustn't we have been grafting?
mustn't you have been grafting?
mustn't they have been grafting?