ought to deoxidise
Regular verb: deoxidise - deoxidised- deoxidised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to deoxidise
you ought to deoxidise
he ought to deoxidise
we ought to deoxidise
you ought to deoxidise
they ought to deoxidise 	I ought to be deoxidising
you ought to be deoxidising
he ought to be deoxidising
we ought to be deoxidising
you ought to be deoxidising
they ought to be deoxidising	I ought to have deoxidised
you ought to have deoxidised
he ought to have deoxidised
we ought to have deoxidised
you ought to have deoxidised
they ought to have deoxidised	I ought to have been deoxidising
you ought to have been deoxidising
he ought to have been deoxidising
we ought to have been deoxidising
you ought to have been deoxidising
they ought to have been deoxidising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to deoxidise
you oughtn't to deoxidise
he oughtn't to deoxidise
we oughtn't to deoxidise
you oughtn't to deoxidise
they oughtn't to deoxidise 	I oughtn't to be deoxidising
you oughtn't to be deoxidising
he oughtn't to be deoxidising
we oughtn't to be deoxidising
you oughtn't to be deoxidising
they oughtn't to be deoxidising	I oughtn't to have deoxidised
you oughtn't to have deoxidised
he oughtn't to have deoxidised
we oughtn't to have deoxidised
you oughtn't to have deoxidised
they oughtn't to have deoxidised	I oughtn't to have been deoxidising
you oughtn't to have been deoxidising
he oughtn't to have been deoxidising
we oughtn't to have been deoxidising
you oughtn't to have been deoxidising
they oughtn't to have been deoxidising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I deoxidise?
ought to you deoxidise?
ought to he deoxidise?
ought to we deoxidise?
ought to you deoxidise?
ought to they deoxidise? 	ought to I be deoxidising?
ought to you be deoxidising?
ought to he be deoxidising?
ought to we be deoxidising?
ought to you be deoxidising?
ought to they be deoxidising? 	ought to I have deoxidised?
ought to you have deoxidised?
ought to he have deoxidised?
ought to we have deoxidised?
ought to you have deoxidised?
ought to they have deoxidised? 	ought to I have been deoxidising?
ought to you have been deoxidising?
ought to he have been deoxidising?
ought to we have been deoxidising?
ought to you have been deoxidising?
ought to they have been deoxidising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to deoxidise?
oughtn't you to deoxidise?
oughtn't he to deoxidise?
oughtn't we to deoxidise?
oughtn't you to deoxidise?
oughtn't they to deoxidise? 	oughtn't I to be deoxidising?
oughtn't you to be deoxidising?
oughtn't he to be deoxidising?
oughtn't we to be deoxidising?
oughtn't you to be deoxidising?
oughtn't they to be deoxidising? 	oughtn't I to have deoxidised?
oughtn't you to have deoxidised?
oughtn't he to have deoxidised?
oughtn't we to have deoxidised?
oughtn't you to have deoxidised?
oughtn't they to have deoxidised? 	oughtn't I to have been deoxidising?
oughtn't you to have been deoxidising?
oughtn't he to have been deoxidising?
oughtn't we to have been deoxidising?
oughtn't you to have been deoxidising?
oughtn't they to have been deoxidising?