English verb conjugation
OUGHT TO DESTABILISE

Regular verb: destabilise - destabilised - destabilised

Affirmation

Simple form	V-ing form
I ought to destabilise you ought to destabilise she ought to destabilise we ought to destabilise you ought to destabilise they ought to destabilise	I ought to be destabilising you ought to be destabilising she ought to be destabilising we ought to be destabilising you ought to be destabilising they ought to be destabilising
Perfect	V-ing perfect
I ought to have destabilised you ought to have destabilised she ought to have destabilised we ought to have destabilised you ought to have destabilised they ought to have destabilised	I ought to have been destabilising you ought to have been destabilising she ought to have been destabilising we ought to have been destabilising you ought to have been destabilising they ought to have been destabilising

Negation

Simple form	V-ing form
I ought not to destabilise you ought not to destabilise she ought not to destabilise we ought not to destabilise you ought not to destabilise they ought not to destabilise	I ought not to destabilising you ought not to destabilising she ought not to destabilising we ought not to destabilising you ought not to destabilising they ought not to destabilising
Perfect	V-ing perfect
I ought not to have destabilised you ought not to have destabilised she ought not to have destabilised we ought not to have destabilised you ought not to have destabilised they ought not to have destabilised	I ought not to have been destabilising you ought not to have been destabilising she ought not to have been destabilising we ought not to have been destabilising you ought not to have been destabilising they ought not to have been destabilising

Interrogative form

Simple form	V-ing form
ought to I destabilise? ought to you destabilise? ought to she destabilise? ought to we destabilise? ought to you destabilise? ought to they destabilise?	ought to I be destabilising? ought to you be destabilising? ought to she be destabilising? ought to we be destabilising? ought to you be destabilising? ought to they be destabilising?
Perfect	V-ing perfect
ought to I have destabilised? ought to you have destabilised? ought to she have destabilised? ought to we have destabilised? ought to you have destabilised? ought to they have destabilised?	ought to I have been destabilising? ought to you have been destabilising? ought to she have been destabilising? ought to we have been destabilising? ought to you have been destabilising? ought to they have been destabilising?

Interro-negative form

Simple form	V-ing form
ought I not to destabilise? ought you not to destabilise? ought she not to destabilise? ought we not to destabilise? ought you not to destabilise? ought they not to destabilise?	ought I not to be destabilising? ought you not to be destabilising? ought she not to be destabilising? ought we not to be destabilising? ought you not to be destabilising? ought they not to be destabilising?
Perfect	V-ing perfect
ought I not to have destabilised? ought you not to have destabilised? ought she not to have destabilised? ought we not to have destabilised? ought you not to have destabilised? ought they not to have destabilised?	ought I not to have been destabilising? ought you not to have been destabilising? ought she not to have been destabilising? ought we not to have been destabilising? ought you not to have been destabilising? ought they not to have been destabilising?