English verb conjugation
MUST REGRAFT

Regular verb: regraft - regrafted - regrafted

Affirmation

Simple form	V-ing form
I must regraft you must regraft he must regraft we must regraft you must regraft they must regraft	I must be regrafting you must be regrafting he must be regrafting we must be regrafting you must be regrafting they must be regrafting
Perfect	V-ing perfect
I must have regrafted you must have regrafted he must have regrafted we must have regrafted you must have regrafted they must have regrafted	I must have been regrafting you must have been regrafting he must have been regrafting we must have been regrafting you must have been regrafting they must have been regrafting

Negation

Simple form	V-ing form
I mustn't regraft you mustn't regraft he mustn't regraft we mustn't regraft you mustn't regraft they mustn't regraft	I mustn't be regrafting you mustn't be regrafting he mustn't be regrafting we mustn't be regrafting you mustn't be regrafting they mustn't be regrafting
Perfect	V-ing perfect
I mustn't have regrafted you mustn't have regrafted he mustn't have regrafted we mustn't have regrafted you mustn't have regrafted they mustn't have regrafted	I mustn't have been regrafting you mustn't have been regrafting he mustn't have been regrafting we mustn't have been regrafting you mustn't have been regrafting they mustn't have been regrafting

Interrogative form

Simple form	V-ing form
must I regraft? must you regraft? must he regraft? must we regraft? must you regraft? must they regraft?	must I be regrafting? must you be regrafting? must he be regrafting? must we be regrafting? must you be regrafting? must they be regrafting?
Perfect	V-ing perfect
must I have regrafted? must you have regrafted? must he have regrafted? must we have regrafted? must you have regrafted? must they have regrafted?	must I have been regrafting? must you have been regrafting? must he have been regrafting? must we have been regrafting? must you have been regrafting? must they have been regrafting?

Interro-negative form

Simple form	V-ing form
mustn't I regraft? mustn't you regraft? mustn't he regraft? mustn't we regraft? mustn't you regraft? mustn't they regraft?	mustn't I be regrafting? mustn't you be regrafting? mustn't he be regrafting? mustn't we be regrafting? mustn't you be regrafting? mustn't they be regrafting?
Perfect	V-ing perfect
mustn't I have regrafted? mustn't you have regrafted? mustn't he have regrafted? mustn't we have regrafted? mustn't you have regrafted? mustn't they have regrafted?	mustn't I have been regrafting? mustn't you have been regrafting? mustn't he have been regrafting? mustn't we have been regrafting? mustn't you have been regrafting? mustn't they have been regrafting?