I ought to stabilise you ought to stabilise he ought to stabilise we ought to stabilise you ought to stabilise they ought to stabilise
V-ing form
I ought to be stabilising you ought to be stabilising he ought to be stabilising we ought to be stabilising you ought to be stabilising they ought to be stabilising
Perfect
I ought to have stabilised you ought to have stabilised he ought to have stabilised we ought to have stabilised you ought to have stabilised they ought to have stabilised
V-ing perfect
I ought to have been stabilising you ought to have been stabilising he ought to have been stabilising we ought to have been stabilising you ought to have been stabilising they ought to have been stabilising
Negation
Simple form
I oughtn't to stabilise you oughtn't to stabilise he oughtn't to stabilise we oughtn't to stabilise you oughtn't to stabilise they oughtn't to stabilise
V-ing form
I oughtn't to be stabilising you oughtn't to be stabilising he oughtn't to be stabilising we oughtn't to be stabilising you oughtn't to be stabilising they oughtn't to be stabilising
Perfect
I oughtn't to have stabilised you oughtn't to have stabilised he oughtn't to have stabilised we oughtn't to have stabilised you oughtn't to have stabilised they oughtn't to have stabilised
V-ing perfect
I oughtn't to have been stabilising you oughtn't to have been stabilising he oughtn't to have been stabilising we oughtn't to have been stabilising you oughtn't to have been stabilising they oughtn't to have been stabilising
Interrogative form
Simple form
ought to I stabilise? ought to you stabilise? ought to he stabilise? ought to we stabilise? ought to you stabilise? ought to they stabilise?
V-ing form
ought to I be stabilising? ought to you be stabilising? ought to he be stabilising? ought to we be stabilising? ought to you be stabilising? ought to they be stabilising?
Perfect
ought to I have stabilised? ought to you have stabilised? ought to he have stabilised? ought to we have stabilised? ought to you have stabilised? ought to they have stabilised?
V-ing perfect
ought to I have been stabilising? ought to you have been stabilising? ought to he have been stabilising? ought to we have been stabilising? ought to you have been stabilising? ought to they have been stabilising?
Interro-negative form
Simple form
oughtn't I to stabilise? oughtn't you to stabilise? oughtn't he to stabilise? oughtn't we to stabilise? oughtn't you to stabilise? oughtn't they to stabilise?
V-ing form
oughtn't I to be stabilising? oughtn't you to be stabilising? oughtn't he to be stabilising? oughtn't we to be stabilising? oughtn't you to be stabilising? oughtn't they to be stabilising?
Perfect
oughtn't I to have stabilised? oughtn't you to have stabilised? oughtn't he to have stabilised? oughtn't we to have stabilised? oughtn't you to have stabilised? oughtn't they to have stabilised?
V-ing perfect
oughtn't I to have been stabilising? oughtn't you to have been stabilising? oughtn't he to have been stabilising? oughtn't we to have been stabilising? oughtn't you to have been stabilising? oughtn't they to have been stabilising?