I ought to demineralise you ought to demineralise he ought to demineralise we ought to demineralise you ought to demineralise they ought to demineralise
V-ing form
I ought to be demineralising you ought to be demineralising he ought to be demineralising we ought to be demineralising you ought to be demineralising they ought to be demineralising
Perfect
I ought to have demineralised you ought to have demineralised he ought to have demineralised we ought to have demineralised you ought to have demineralised they ought to have demineralised
V-ing perfect
I ought to have been demineralising you ought to have been demineralising he 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
I oughtn't to demineralise you oughtn't to demineralise he oughtn't to demineralise we oughtn't to demineralise you oughtn't to demineralise they oughtn't to demineralise
V-ing form
I oughtn't to be demineralising you oughtn't to be demineralising he oughtn't to be demineralising we oughtn't to be demineralising you oughtn't to be demineralising they oughtn't to be demineralising
Perfect
I oughtn't to have demineralised you oughtn't to have demineralised he oughtn't to have demineralised we oughtn't to have demineralised you oughtn't to have demineralised they oughtn't to have demineralised
V-ing perfect
I oughtn't to have been demineralising you oughtn't to have been demineralising he oughtn't to have been demineralising we oughtn't to have been demineralising you oughtn't to have been demineralising they oughtn't to have been demineralising
Interrogative form
Simple form
ought to I demineralise? ought to you demineralise? ought to he demineralise? ought to we demineralise? ought to you demineralise? ought to they demineralise?
V-ing form
ought to I be demineralising? ought to you be demineralising? ought to he be demineralising? ought to we be demineralising? ought to you be demineralising? ought to they be demineralising?
Perfect
ought to I have demineralised? ought to you have demineralised? ought to he have demineralised? ought to we have demineralised? ought to you have demineralised? ought to they have demineralised?
V-ing perfect
ought to I have been demineralising? ought to you have been demineralising? ought to he 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
oughtn't I to demineralise? oughtn't you to demineralise? oughtn't he to demineralise? oughtn't we to demineralise? oughtn't you to demineralise? oughtn't they to demineralise?
V-ing form
oughtn't I to be demineralising? oughtn't you to be demineralising? oughtn't he to be demineralising? oughtn't we to be demineralising? oughtn't you to be demineralising? oughtn't they to be demineralising?
Perfect
oughtn't I to have demineralised? oughtn't you to have demineralised? oughtn't he to have demineralised? oughtn't we to have demineralised? oughtn't you to have demineralised? oughtn't they to have demineralised?
V-ing perfect
oughtn't I to have been demineralising? oughtn't you to have been demineralising? oughtn't he to have been demineralising? oughtn't we to have been demineralising? oughtn't you to have been demineralising? oughtn't they to have been demineralising?