must engraft
Verbo regular: engraft - engrafted- engrafted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must engraft
you must engraft
he must engraft
we must engraft
you must engraft
they must engraft 	I must be engrafting
you must be engrafting
he must be engrafting
we must be engrafting
you must be engrafting
they must be engrafting	I must have engrafted
you must have engrafted
he must have engrafted
we must have engrafted
you must have engrafted
they must have engrafted	I must have been engrafting
you must have been engrafting
he must have been engrafting
we must have been engrafting
you must have been engrafting
they must have been engrafting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't engraft
you mustn't engraft
he mustn't engraft
we mustn't engraft
you mustn't engraft
they mustn't engraft 	I mustn't be engrafting
you mustn't be engrafting
he mustn't be engrafting
we mustn't be engrafting
you mustn't be engrafting
they mustn't be engrafting	I mustn't have engrafted
you mustn't have engrafted
he mustn't have engrafted
we mustn't have engrafted
you mustn't have engrafted
they mustn't have engrafted	I mustn't have been engrafting
you mustn't have been engrafting
he mustn't have been engrafting
we mustn't have been engrafting
you mustn't have been engrafting
they mustn't have been engrafting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I engraft?
must you engraft?
must he engraft?
must we engraft?
must you engraft?
must they engraft? 	must I be engrafting?
must you be engrafting?
must he be engrafting?
must we be engrafting?
must you be engrafting?
must they be engrafting? 	must I have engrafted?
must you have engrafted?
must he have engrafted?
must we have engrafted?
must you have engrafted?
must they have engrafted? 	must I have been engrafting?
must you have been engrafting?
must he have been engrafting?
must we have been engrafting?
must you have been engrafting?
must they have been engrafting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I engraft?
mustn't you engraft?
mustn't he engraft?
mustn't we engraft?
mustn't you engraft?
mustn't they engraft? 	mustn't I be engrafting?
mustn't you be engrafting?
mustn't he be engrafting?
mustn't we be engrafting?
mustn't you be engrafting?
mustn't they be engrafting? 	mustn't I have engrafted?
mustn't you have engrafted?
mustn't he have engrafted?
mustn't we have engrafted?
mustn't you have engrafted?
mustn't they have engrafted? 	mustn't I have been engrafting?
mustn't you have been engrafting?
mustn't he have been engrafting?
mustn't we have been engrafting?
mustn't you have been engrafting?
mustn't they have been engrafting?