ought to oxidize
Regular verb: oxidize - oxidized- oxidized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to oxidize
you ought to oxidize
he ought to oxidize
we ought to oxidize
you ought to oxidize
they ought to oxidize 	I ought to be oxidizing
you ought to be oxidizing
he ought to be oxidizing
we ought to be oxidizing
you ought to be oxidizing
they ought to be oxidizing	I ought to have oxidized
you ought to have oxidized
he ought to have oxidized
we ought to have oxidized
you ought to have oxidized
they ought to have oxidized	I ought to have been oxidizing
you ought to have been oxidizing
he ought to have been oxidizing
we ought to have been oxidizing
you ought to have been oxidizing
they ought to have been oxidizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to oxidize
you ought not to oxidize
he ought not to oxidize
we ought not to oxidize
you ought not to oxidize
they ought not to oxidize 	I ought not to oxidizing
you ought not to oxidizing
he ought not to oxidizing
we ought not to oxidizing
you ought not to oxidizing
they ought not to oxidizing	I ought not to have oxidized
you ought not to have oxidized
he ought not to have oxidized
we ought not to have oxidized
you ought not to have oxidized
they ought not to have oxidized	I ought not to have been oxidizing
you ought not to have been oxidizing
he ought not to have been oxidizing
we ought not to have been oxidizing
you ought not to have been oxidizing
they ought not to have been oxidizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I oxidize?
ought to you oxidize?
ought to he oxidize?
ought to we oxidize?
ought to you oxidize?
ought to they oxidize? 	ought to I be oxidizing?
ought to you be oxidizing?
ought to he be oxidizing?
ought to we be oxidizing?
ought to you be oxidizing?
ought to they be oxidizing? 	ought to I have oxidized?
ought to you have oxidized?
ought to he have oxidized?
ought to we have oxidized?
ought to you have oxidized?
ought to they have oxidized? 	ought to I have been oxidizing?
ought to you have been oxidizing?
ought to he have been oxidizing?
ought to we have been oxidizing?
ought to you have been oxidizing?
ought to they have been oxidizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to oxidize?
ought you not to oxidize?
ought he not to oxidize?
ought we not to oxidize?
ought you not to oxidize?
ought they not to oxidize? 	ought I not to be oxidizing?
ought you not to be oxidizing?
ought he not to be oxidizing?
ought we not to be oxidizing?
ought you not to be oxidizing?
ought they not to be oxidizing? 	ought I not to have oxidized?
ought you not to have oxidized?
ought he not to have oxidized?
ought we not to have oxidized?
ought you not to have oxidized?
ought they not to have oxidized? 	ought I not to have been oxidizing?
ought you not to have been oxidizing?
ought he not to have been oxidizing?
ought we not to have been oxidizing?
ought you not to have been oxidizing?
ought they not to have been oxidizing?