ought to demineralise
Regular verb: demineralise - demineralised- demineralised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to demineralise
you ought to demineralise
she ought to demineralise
we ought to demineralise
you ought to demineralise
they ought to demineralise 	I ought to be demineralising
you ought to be demineralising
she ought to be demineralising
we ought to be demineralising
you ought to be demineralising
they ought to be demineralising	I ought to have demineralised
you ought to have demineralised
she ought to have demineralised
we ought to have demineralised
you ought to have demineralised
they ought to have demineralised	I ought to have been demineralising
you ought to have been demineralising
she ought to have been demineralising
we ought to have been demineralising
you ought to have been demineralising
they ought to have been demineralising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to demineralise
you ought not to demineralise
she ought not to demineralise
we ought not to demineralise
you ought not to demineralise
they ought not to demineralise 	I ought not to demineralising
you ought not to demineralising
she ought not to demineralising
we ought not to demineralising
you ought not to demineralising
they ought not to demineralising	I ought not to have demineralised
you ought not to have demineralised
she ought not to have demineralised
we ought not to have demineralised
you ought not to have demineralised
they ought not to have demineralised	I ought not to have been demineralising
you ought not to have been demineralising
she ought not to have been demineralising
we ought not to have been demineralising
you ought not to have been demineralising
they ought not to have been demineralising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I demineralise?
ought to you demineralise?
ought to she demineralise?
ought to we demineralise?
ought to you demineralise?
ought to they demineralise? 	ought to I be demineralising?
ought to you be demineralising?
ought to she be demineralising?
ought to we be demineralising?
ought to you be demineralising?
ought to they be demineralising? 	ought to I have demineralised?
ought to you have demineralised?
ought to she have demineralised?
ought to we have demineralised?
ought to you have demineralised?
ought to they have demineralised? 	ought to I have been demineralising?
ought to you have been demineralising?
ought to she have been demineralising?
ought to we have been demineralising?
ought to you have been demineralising?
ought to they have been demineralising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to demineralise?
ought you not to demineralise?
ought she not to demineralise?
ought we not to demineralise?
ought you not to demineralise?
ought they not to demineralise? 	ought I not to be demineralising?
ought you not to be demineralising?
ought she not to be demineralising?
ought we not to be demineralising?
ought you not to be demineralising?
ought they not to be demineralising? 	ought I not to have demineralised?
ought you not to have demineralised?
ought she not to have demineralised?
ought we not to have demineralised?
ought you not to have demineralised?
ought they not to have demineralised? 	ought I not to have been demineralising?
ought you not to have been demineralising?
ought she not to have been demineralising?
ought we not to have been demineralising?
ought you not to have been demineralising?
ought they not to have been demineralising?