ought to engraft
Regular verb: engraft - engrafted- engrafted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to engraft
you ought to engraft
he ought to engraft
we ought to engraft
you ought to engraft
they ought to engraft 	I ought to be engrafting
you ought to be engrafting
he ought to be engrafting
we ought to be engrafting
you ought to be engrafting
they ought to be engrafting	I ought to have engrafted
you ought to have engrafted
he ought to have engrafted
we ought to have engrafted
you ought to have engrafted
they ought to have engrafted	I ought to have been engrafting
you ought to have been engrafting
he ought to have been engrafting
we ought to have been engrafting
you ought to have been engrafting
they ought to have been engrafting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to engraft
you oughtn't to engraft
he oughtn't to engraft
we oughtn't to engraft
you oughtn't to engraft
they oughtn't to engraft 	I oughtn't to be engrafting
you oughtn't to be engrafting
he oughtn't to be engrafting
we oughtn't to be engrafting
you oughtn't to be engrafting
they oughtn't to be engrafting	I oughtn't to have engrafted
you oughtn't to have engrafted
he oughtn't to have engrafted
we oughtn't to have engrafted
you oughtn't to have engrafted
they oughtn't to have engrafted	I oughtn't to have been engrafting
you oughtn't to have been engrafting
he oughtn't to have been engrafting
we oughtn't to have been engrafting
you oughtn't to have been engrafting
they oughtn't to have been engrafting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I engraft?
ought to you engraft?
ought to he engraft?
ought to we engraft?
ought to you engraft?
ought to they engraft? 	ought to I be engrafting?
ought to you be engrafting?
ought to he be engrafting?
ought to we be engrafting?
ought to you be engrafting?
ought to they be engrafting? 	ought to I have engrafted?
ought to you have engrafted?
ought to he have engrafted?
ought to we have engrafted?
ought to you have engrafted?
ought to they have engrafted? 	ought to I have been engrafting?
ought to you have been engrafting?
ought to he have been engrafting?
ought to we have been engrafting?
ought to you have been engrafting?
ought to they have been engrafting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to engraft?
oughtn't you to engraft?
oughtn't he to engraft?
oughtn't we to engraft?
oughtn't you to engraft?
oughtn't they to engraft? 	oughtn't I to be engrafting?
oughtn't you to be engrafting?
oughtn't he to be engrafting?
oughtn't we to be engrafting?
oughtn't you to be engrafting?
oughtn't they to be engrafting? 	oughtn't I to have engrafted?
oughtn't you to have engrafted?
oughtn't he to have engrafted?
oughtn't we to have engrafted?
oughtn't you to have engrafted?
oughtn't they to have engrafted? 	oughtn't I to have been engrafting?
oughtn't you to have been engrafting?
oughtn't he to have been engrafting?
oughtn't we to have been engrafting?
oughtn't you to have been engrafting?
oughtn't they to have been engrafting?