ought to decarburise
Regular verb: decarburise - decarburised- decarburised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to decarburise
you ought to decarburise
he ought to decarburise
we ought to decarburise
you ought to decarburise
they ought to decarburise 	I ought to be decarburising
you ought to be decarburising
he ought to be decarburising
we ought to be decarburising
you ought to be decarburising
they ought to be decarburising	I ought to have decarburised
you ought to have decarburised
he ought to have decarburised
we ought to have decarburised
you ought to have decarburised
they ought to have decarburised	I ought to have been decarburising
you ought to have been decarburising
he ought to have been decarburising
we ought to have been decarburising
you ought to have been decarburising
they ought to have been decarburising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to decarburise
you oughtn't to decarburise
he oughtn't to decarburise
we oughtn't to decarburise
you oughtn't to decarburise
they oughtn't to decarburise 	I oughtn't to be decarburising
you oughtn't to be decarburising
he oughtn't to be decarburising
we oughtn't to be decarburising
you oughtn't to be decarburising
they oughtn't to be decarburising	I oughtn't to have decarburised
you oughtn't to have decarburised
he oughtn't to have decarburised
we oughtn't to have decarburised
you oughtn't to have decarburised
they oughtn't to have decarburised	I oughtn't to have been decarburising
you oughtn't to have been decarburising
he oughtn't to have been decarburising
we oughtn't to have been decarburising
you oughtn't to have been decarburising
they oughtn't to have been decarburising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I decarburise?
ought to you decarburise?
ought to he decarburise?
ought to we decarburise?
ought to you decarburise?
ought to they decarburise? 	ought to I be decarburising?
ought to you be decarburising?
ought to he be decarburising?
ought to we be decarburising?
ought to you be decarburising?
ought to they be decarburising? 	ought to I have decarburised?
ought to you have decarburised?
ought to he have decarburised?
ought to we have decarburised?
ought to you have decarburised?
ought to they have decarburised? 	ought to I have been decarburising?
ought to you have been decarburising?
ought to he have been decarburising?
ought to we have been decarburising?
ought to you have been decarburising?
ought to they have been decarburising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to decarburise?
oughtn't you to decarburise?
oughtn't he to decarburise?
oughtn't we to decarburise?
oughtn't you to decarburise?
oughtn't they to decarburise? 	oughtn't I to be decarburising?
oughtn't you to be decarburising?
oughtn't he to be decarburising?
oughtn't we to be decarburising?
oughtn't you to be decarburising?
oughtn't they to be decarburising? 	oughtn't I to have decarburised?
oughtn't you to have decarburised?
oughtn't he to have decarburised?
oughtn't we to have decarburised?
oughtn't you to have decarburised?
oughtn't they to have decarburised? 	oughtn't I to have been decarburising?
oughtn't you to have been decarburising?
oughtn't he to have been decarburising?
oughtn't we to have been decarburising?
oughtn't you to have been decarburising?
oughtn't they to have been decarburising?